Arctus 12" Medium Firm Memory Foam Mattress, Twin Size Mattress in a Box

Fabric cover: Soft, Gentle-feel surface for a high-quality experience. Gel memory foam: Combines the pressure-relieving benefits of memory foam with the cooling effect of gel for a cooler sleep surface. Medium Firm: Ergonomically designed to ease tension and help you relax after a long day. Easy to setup: Arrives in a box-just unbox, allow 24-72 hours to fully expand (time may vary depending on climate), and enjoy! Certified by CertiPUR-US®and OEKO-TEX®: This mattress is made with safe, high-quality materials free from harmful substances. Durable construction: Backed by a 10-year limited warranty, with reliable customer support to assist you. Fits most bed frames: Works with adjustable bases, box springs, or platform beds. Overall dimensions: Twin Size: 75"L x 38"W Full Size: 75"L x 54"W Queen Size: 80"L x 60"W King Size: 80"L x 77"W