{"title":"Bunk Bed Mattresses","description":"\u003cp\u003eEvery mattress here is sized and rated for use on our bunk beds (including the top bunk), high sleepers, midsleeper cabin beds and cabin beds, as well as standard single beds and trundle beds. Choose from Kids Avenue's ready-to-use sprung and pocket sprung mattresses, or the Sleeptight rolled range in foam, pocket sprung and memory options.\u003c\/p\u003e\u003cp\u003eMost of our bunk beds, high sleepers, midsleeper and cabin beds let you add a matching mattress at checkout for considerably less than buying one separately here – check the bed's product page for bundle pricing first.\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\u003e\u003cstrong\u003eDelivery:\u003c\/strong\u003e This is a rolled-up mattress delivered by courier – please allow 1-2 days for delivery.\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\/Sleeptight_Junior_200cm.jpg?v=1787163902"},{"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\u003e\u003cstrong\u003eDelivery:\u003c\/strong\u003e This is a rolled-up mattress delivered by courier – please allow 1-2 days for delivery.\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\/files\/aSleeptight_Trundle_1.jpg?v=1787164648"},{"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\u003e\u003cstrong\u003eDelivery:\u003c\/strong\u003e This is a rolled-up mattress delivered by courier – please allow 1-2 days for delivery.\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\/aSleeptight_Junior_190cm_de8789b2-aa40-49e0-b5ae-625930aef1a9.jpg?v=1787163334"},{"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\u003e\u003cstrong\u003eDelivery:\u003c\/strong\u003e This is a rolled-up mattress delivered by courier – please allow 1-2 days for delivery.\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\/Sleeptight_Shorty_Junior_Full_Image_1.jpg?v=1787185357"},{"product_id":"thuka-superior-sprung-mattress-90-x-200cm","title":"Kids Avenue Superior Sprung Mattress 90 x 200cm","description":"\u003cp\u003eThe Kids Avenue Superior is a fully-formed, ready-to-use sprung mattress, sold individually with free UK mainland delivery built into the price.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDelivery:\u003c\/strong\u003e This is a regular mattress (not rolled up) and needs to be delivered by our usual furniture delivery team – please allow 7-10 working days for delivery.\u003c\/p\u003e\n\u003cp\u003eIt's an open coil mattress made from a linked series of springs covered in a layer of foam, a layer of mixed poly fibre and a polycotton cover, with rodded edges to help prevent rolling off.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 90cm\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\u003ePlease check your bed frame's mattress size before ordering, as this mattress is sold separately from any bed. As with any children's mattress, we recommend replacing every 7-8 years and checking it meets current UK fire safety standards.\u003c\/p\u003e","brand":"Kids Avenue","offers":[{"title":"Default Title","offer_id":56384395706747,"sku":"1.75","price":179.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1193\/1030\/files\/SPRUNG_cb92caa0-9f17-4d69-a236-4952da24c9d4.jpg?v=1787095655"},{"product_id":"thuka-pocket-sprung-mattress-90-x-200cm","title":"Kids Avenue Pocket Sprung Mattress 90 x 200cm","description":"\u003cp\u003eThe Kids Avenue Pocket Sprung is a fully-formed, ready-to-use mattress, sold individually with free UK mainland delivery built into the price.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDelivery:\u003c\/strong\u003e This is a regular mattress (not rolled up) and needs to be delivered by our usual furniture delivery team – please allow 7-10 working days for delivery.\u003c\/p\u003e\n\u003cp\u003eIt's made from a series of springs, each isolated from each other in their own pockets, so the mattress adjusts individually to body weight for even support. It's covered in a layer of foam, a layer of mixed poly fibre and a polycotton cover.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eWidth: 90cm\u003c\/li\u003e\n\u003cli\u003eLength: 200cm\u003c\/li\u003e\n\u003cli\u003eDepth: 15cm\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\u003ePlease check your bed frame's mattress size before ordering, as this mattress is sold separately from any bed. As with any children's mattress, we recommend replacing every 7-8 years and checking it meets current UK fire safety standards.\u003c\/p\u003e","brand":"Kids Avenue","offers":[{"title":"Default Title","offer_id":56384396493179,"sku":"1.77","price":259.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1193\/1030\/files\/Pocket_Sprung_5edaece2-c0e6-4da7-b6a2-a17f540c7116.jpg?v=1787095658"}],"url":"https:\/\/www.familywindow.co.uk\/collections\/bunk-bed-mattresses.oembed","provider":"Family Window","version":"1.0","type":"link"}