{"title":"Mattresses","description":"\u003cp\u003eQuality UK-made mattresses sized for our children's beds, sold individually with free UK mainland delivery built into the price. Choose from Sleeptight rolled mattresses (foam, pocket sprung or memory) and Thuka regular mattresses, in sizes to suit standard, shorty, trundle, daybed and grow-with-me frames.\u003c\/p\u003e\n\u003cp\u003eNot sure which size or firmness you need? Read our \u003ca href=\"https:\/\/www.familywindow.co.uk\/blogs\/buying-guides\/childrens-mattress-buying-guide-how-to-choose-the-right-mattress\"\u003eChildren's Mattress Buying Guide\u003c\/a\u003e.\u003c\/p\u003e","products":[{"product_id":"sprung-mattress","title":"Sleeptight Junior Mattress 90 x 200cm (Green Label)","description":"\u003cp\u003ePart of our UK-made Sleeptight range, sold individually with free UK mainland delivery built into the price.\u003c\/p\u003e\n\u003cp\u003eThis 4-layer rolled foam mattress features a soft high-density reflex foam layer for a seamless, restful transition with minimal movement. Made from recycled materials with a luxurious soft-touch washable cover, it's designed only to need rotating, not flipping, and is guaranteed for 10 years.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 90cm\u003c\/li\u003e\n\u003cli\u003eLength: 200cm\u003c\/li\u003e\n\u003cli\u003eDepth: 14cm\u003c\/li\u003e\n\u003cli\u003eFirmness: Medium-Firm\u003c\/li\u003e\n\u003cli\u003eMade in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNB: Rolled mattresses need around 24 hours to expand naturally once unpacked. Please check your bed frame's mattress size before ordering, as this mattress is sold separately from any bed.\u003c\/p\u003e","brand":"Kids Avenue","offers":[{"title":"Junior Rolled","offer_id":55594864312699,"sku":"Sleeptight Junior Mattress","price":179.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1193\/1030\/files\/Mattresses_new.jpg?v=1755085955"},{"product_id":"trundle-mattress","title":"Sleeptight Trundle Mattress 90 x 190cm (Purple Label)","description":"\u003cp\u003ePart of our UK-made Sleeptight range, sold individually with free UK mainland delivery built into the price.\u003c\/p\u003e\n\u003cp\u003eA slimline rolled mattress designed specifically for trundle and guest pull-out beds, where a lower profile is needed for the trundle to slide smoothly under the main bed. It has a luxurious soft-touch washable cover and is designed only to need rotating, not flipping.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 90cm\u003c\/li\u003e\n\u003cli\u003eLength: 190cm\u003c\/li\u003e\n\u003cli\u003eDepth: 10cm\u003c\/li\u003e\n\u003cli\u003eFirmness: Medium-Firm\u003c\/li\u003e\n\u003cli\u003eMade in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNB: Rolled mattresses need around 24 hours to expand naturally once unpacked. Please check your trundle bed's mattress size before ordering, as this mattress is sold separately from any bed.\u003c\/p\u003e","brand":"Kids Avenue","offers":[{"title":"Default Title","offer_id":26142285063,"sku":"Sleeptight Trundle Mattress","price":109.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1193\/1030\/products\/trundle_mattress.jpg?v=1735337304"},{"product_id":"small-double-sprung-mattress","title":"Sleeptight Pocket Mattress 120 x 200cm (Orange Label)","description":"\u003cp\u003ePart of our UK-made Sleeptight range, sold individually with free UK mainland delivery built into the price.\u003c\/p\u003e\n\u003cp\u003eThis 6-layer rolled mattress has two layers of reflex foam plus Maxicore spring technology that adapts to your body's shape, encased in Ecofoam for edge-to-edge support. It has a luxurious soft-touch washable cover, is designed only to need rotating, not flipping, and is guaranteed for 10 years.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 120cm\u003c\/li\u003e\n\u003cli\u003eLength: 200cm\u003c\/li\u003e\n\u003cli\u003eDepth: 15cm\u003c\/li\u003e\n\u003cli\u003eFirmness: Medium\u003c\/li\u003e\n\u003cli\u003eMade in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNB: Rolled mattresses need around 24 hours to expand naturally once unpacked. Please check your bed frame's mattress size before ordering, as this mattress is sold separately from any bed.\u003c\/p\u003e","brand":"Kids Avenue","offers":[{"title":"Default Title","offer_id":39412770340945,"sku":"Sleeptight Pocket 120CM Mattress","price":349.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1193\/1030\/products\/smalldouble.jpg?v=1735337170"},{"product_id":"190-sprung-mattress","title":"Sleeptight Junior Mattress 90 x 190cm (Blue Label)","description":"\u003cp\u003ePart of our UK-made Sleeptight range, sold individually with free UK mainland delivery built into the price.\u003c\/p\u003e\n\u003cp\u003eThis 4-layer rolled foam mattress features a soft high-density reflex foam layer for a seamless, restful transition with minimal movement. Made from recycled materials with a luxurious soft-touch washable cover, it's designed only to need rotating, not flipping, and is guaranteed for 10 years.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 90cm\u003c\/li\u003e\n\u003cli\u003eLength: 190cm\u003c\/li\u003e\n\u003cli\u003eDepth: 14cm\u003c\/li\u003e\n\u003cli\u003eFirmness: Medium-Firm\u003c\/li\u003e\n\u003cli\u003eMade in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNB: Rolled mattresses need around 24 hours to expand naturally once unpacked. Please check your bed frame's mattress size before ordering, as this mattress is sold separately from any bed.\u003c\/p\u003e","brand":"Kids Avenue","offers":[{"title":"Junior Rolled","offer_id":55594835935611,"sku":"Sleeptight Junior Mattress 190CM","price":179.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1193\/1030\/files\/Mattresses_new.jpg?v=1755085955"},{"product_id":"140-x-190-pocket-sprung-mattress","title":"Sleeptight Pocket Mattress 140 x 190cm (Gold Label)","description":"\u003cp\u003ePart of our UK-made Sleeptight range, sold individually with free UK mainland delivery built into the price.\u003c\/p\u003e\n\u003cp\u003eThis 6-layer rolled mattress has two layers of reflex foam plus Maxicore spring technology that adapts to your body's shape, encased in Ecofoam for edge-to-edge support. It has a luxurious soft-touch washable cover, is designed only to need rotating, not flipping, and is guaranteed for 10 years.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 140cm\u003c\/li\u003e\n\u003cli\u003eLength: 190cm\u003c\/li\u003e\n\u003cli\u003eDepth: 15cm\u003c\/li\u003e\n\u003cli\u003eFirmness: Medium\u003c\/li\u003e\n\u003cli\u003eMade in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNB: Rolled mattresses need around 24 hours to expand naturally once unpacked. Please check your bed frame's mattress size before ordering, as this mattress is sold separately from any bed.\u003c\/p\u003e","brand":"Kids Avenue","offers":[{"title":"Default Title","offer_id":48983921000751,"sku":"Sleeptight Pocket 140x190cm","price":375.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1193\/1030\/files\/KidsAvenuePocketmattress_2.jpg?v=1735337094"},{"product_id":"120-x-190-pocket-sprung-mattress","title":"Sleeptight Pocket Mattress 120 x 190cm (Pink Label)","description":"\u003cp\u003ePart of our UK-made Sleeptight range, sold individually with free UK mainland delivery built into the price.\u003c\/p\u003e\n\u003cp\u003eThis 6-layer rolled mattress has two layers of reflex foam plus Maxicore spring technology that adapts to your body's shape, encased in Ecofoam for edge-to-edge support. It has a luxurious soft-touch washable cover, is designed only to need rotating, not flipping, and is guaranteed for 10 years.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 120cm\u003c\/li\u003e\n\u003cli\u003eLength: 190cm\u003c\/li\u003e\n\u003cli\u003eDepth: 15cm\u003c\/li\u003e\n\u003cli\u003eFirmness: Medium\u003c\/li\u003e\n\u003cli\u003eMade in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNB: Rolled mattresses need around 24 hours to expand naturally once unpacked. Please check your bed frame's mattress size before ordering, as this mattress is sold separately from any bed.\u003c\/p\u003e","brand":"Kids Avenue","offers":[{"title":"Default Title","offer_id":48984164499759,"sku":"Sleeptight Pocket 120x190cm","price":349.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1193\/1030\/files\/KidsAvenuePocketmattress_2_0187c9a3-d9e6-47a4-bac2-c766ab6a97b1.jpg?v=1735337091"},{"product_id":"140-x-200-pocket-sprung-mattress","title":"Sleeptight Pocket Mattress 140 x 200cm (Light Green Label)","description":"\u003cp\u003ePart of our UK-made Sleeptight range, sold individually with free UK mainland delivery built into the price.\u003c\/p\u003e\n\u003cp\u003eThis 6-layer rolled mattress has two layers of reflex foam plus Maxicore spring technology that adapts to your body's shape, encased in Ecofoam for edge-to-edge support. It has a luxurious soft-touch washable cover, is designed only to need rotating, not flipping, and is guaranteed for 10 years.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 140cm\u003c\/li\u003e\n\u003cli\u003eLength: 200cm\u003c\/li\u003e\n\u003cli\u003eDepth: 15cm\u003c\/li\u003e\n\u003cli\u003eFirmness: Medium\u003c\/li\u003e\n\u003cli\u003eMade in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNB: Rolled mattresses need around 24 hours to expand naturally once unpacked. Please check your bed frame's mattress size before ordering, as this mattress is sold separately from any bed.\u003c\/p\u003e","brand":"Kids Avenue","offers":[{"title":"Default Title","offer_id":55560881504635,"sku":"Sleeptight Pocket 140x200cm","price":375.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1193\/1030\/files\/KidsAvenuePocketmattress_2.jpg?v=1735337094"},{"product_id":"junior-shorty-mattress-160-x-70-cm","title":"Sleeptight Shorty Junior Mattress 70 x 160cm (Dark Green Label)","description":"\u003cp\u003ePart of our UK-made Sleeptight range, sold individually with free UK mainland delivery built into the price.\u003c\/p\u003e\n\u003cp\u003eSized specifically for shorty and junior-length bed frames, this rolled mattress is ideal where space is at a premium, such as cabin beds and compact bedrooms. It has a luxurious soft-touch washable cover and is designed only to need rotating, not flipping.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 70cm\u003c\/li\u003e\n\u003cli\u003eLength: 160cm\u003c\/li\u003e\n\u003cli\u003eDepth: 12cm\u003c\/li\u003e\n\u003cli\u003eFirmness: Medium-Firm\u003c\/li\u003e\n\u003cli\u003eMade in the UK\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNB: Rolled mattresses need around 24 hours to expand naturally once unpacked. Please check your bed frame's mattress size before ordering, as this mattress is sold separately from any bed.\u003c\/p\u003e","brand":"Kids Avenue","offers":[{"title":"Default Title","offer_id":55589589254523,"sku":"Sleeptight Shorty Jnr Mattress","price":179.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1193\/1030\/files\/SleeptightJunior200cma.jpg?v=1751907176"}],"url":"https:\/\/www.familywindow.co.uk\/collections\/mattresses.oembed","provider":"Family Window","version":"1.0","type":"link"}