{"product_id":"sleep-box-spring-foundation-for-twin-xl-mattress","title":"Sleep Box Spring Foundation (Twin XL)","description":"\u003cp\u003e\u003cem\u003eA great mattress is only as good as what's underneath it.\u003c\/em\u003e\u003c\/p\u003e\u003cp\u003eThe Sleep Box Spring Foundation gives your Twin XL mattress the solid, even support it needs to perform at its best — and last longer. Low-profile and sturdy, it sits quietly beneath your mattress, reducing motion transfer and keeping everything exactly where it should be.\u003c\/p\u003e\u003cp\u003eSimple to set up. Built to last. The foundation your sleep deserves.\u003c\/p\u003e\u003ch2\u003eWhy it works:\u003c\/h2\u003e\u003cul\u003e\n\u003cli\u003eSolid support — evenly distributes weight for consistent mattress performance\u003c\/li\u003e\n\u003cli\u003eReduces motion transfer — less disturbance for a more restful night\u003c\/li\u003e\n\u003cli\u003eExtends mattress life — proper support prevents premature sagging\u003c\/li\u003e\n\u003cli\u003eLow-profile design — works with most bed frames and platform bases\u003c\/li\u003e\n\u003cli\u003eEasy assembly — straightforward setup, no tools required\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch2\u003eFits:\u003c\/h2\u003e\u003cp\u003eTwin XL mattresses. Compatible with most standard bed frames.\u003c\/p\u003e\u003cp\u003e✅ Free Shipping    ✅ 30-Day Returns    ✅ Secure Checkout    ✅ Curated with Care\u003c\/p\u003e\u003cp\u003e\u003cem\u003eCurated with intention by Jonine's Corner — for homes that feel, not just look beautiful.\u003c\/em\u003e\u003c\/p\u003e","brand":"Jonine’s Corner","offers":[{"title":"Foundation \/ Twin Xl","offer_id":49220571791603,"sku":"145e10c6-cba6-4b8d-b09d-85bce3483343","price":390.99,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0822\/2333\/3619\/files\/tmptgcu2a2y.png?v=1782489948","url":"https:\/\/joninescorner.com\/products\/sleep-box-spring-foundation-for-twin-xl-mattress","provider":"Jonine's Corner","version":"1.0","type":"link"}