Double Mattress,12 Inch Full Size Hybrid Mattresses, Full Bed Matress in a Box, Pressure Relief & Fiberglass Free, Firm Mattress Double Size

【Mattress Double Size – Fiberglass-Free】-This spring mattress features a high-end, breathable knit fabric surface for enhanced comfort. The self-contained pocket spring system balances body pressure and offers well-aligned support. Each pocketed spring works independently, so there’s minimal disturbance when your partner or pet moves at night. This mattress is fiberglass-free, providing a safer and healthier sleep environment. 【Optimal Softness & Support】-The 30cm (12 Inch) full hybrid mattress combines the traditional support of an innerspring with the plush comfort of memory foam, offering a medium-firm feel. Dual foam layers are designed for optimal softness and support, relieving pressure points throughout the body. Those suffering from back or neck pain will find lasting comfort and improved sleep quality. 【Pocket Spring Mattress】-The individually encased pocket coils follow an orthopedic design to provide balanced pressure relief across the head, shoulders, waist, hips, and legs. Each spring reacts independently to your body’s movements, ensuring support in the right places and reducing motion transfer. 【Easy Delivery & Set Up】- This 12 inch (30cm) full memory foam mattress comes compressed, vacuum-sealed, and rolled in a box for efficient delivery. It fits all types of bed frames—box springs, floors, slatted bases, flat platforms, or hospital beds. Mattress dimensions: 75’’L x 54’’W x 12’’H. After unboxing, it expands within 10 seconds and reaches full size in 72 hours. (Note: Once opened, it cannot be rolled up again.) 【Warranty&Guaranty】- Backed by Swbvs’s 100-night trial and 10-year warranty. Swbvs offers comprehensive customer service and welcomes all inquiries. Enjoy peace of mind with a mattress that is CertiPUR-US certified and free from fiberglass and other harmful materials.