Single mattress, 6 inches, suitable for children and adults, gel memory foam [Premium version], medium hardness

📞-【SKIN-FRIENDLY COVER】OEKO-TEX Certified high-quality knitted jacquard fabric, soft, breathable and washable, easy to clean. Fiberglass free inner is our promise of providing you sleep in peace on our mattress. 📞-【MEDIUM-FIRM】The combination of gel memory foam and support memory foam provides you with a premium medium-firm sleeping experience. Also twin mattress supports a maximum weight of 250 lbs, while all other sizes can support up to 500 lbs. 📞-【BETTER 3】High-rebound support foam BETTER fully expand in 48 hours. Even after vacuum packed and into a box.