5 Targeted comfort zones: 5-zone memory foam mattress topper is optimized for different parts of the body for comfort and ergonomics, providing more fit and comfortable support for different parts of the whole body (head,shoulders,back,waist,hips,knees and feet). Our upgraded memory foam mattress multi-touch relieves stress improves sleep comfort. Bamboo Charcoal Memory Foam:The 3-inch memory foam mattress topper contains hypoallergenic properties with a bamboo charcoal foam to help maintain freshness and reduce odors. AIR FLOW Design: The ups and downs and in-betweens of this specially engineered,Bamboo Charcoal gel-infused promote airflow throughout its conforming memory foam layer to dissipate heat while providing superior softness and comfort. Topper IN A BOX: Good sleep can’t wait. This is why we’ve designed all our Gelsea Topper to be compressed, rolled, and shipped in one box for easy delivery and setup; simply unbox, unroll, and wait 24-48 hours for the mattress to expand.When not in use, the mattress topper can be rolled up and placed in a box for moving and storage. WORRY-FREE 3 YEARS WARRANTY:We believe that you will love this sleep item and are dedicated to giving you the best night of sleep through our superior products. If your mattress is defective or damaged during delivery, our U.S.-based customer support team will happily work with you to address any concerns to make it right. Product Description Topper Buy it with 3 Inch Height 12 Inch;10 Inch Extra Plush Firmness Plush Bamboo Infused Foam Special Function Bamboo Infused Foam 3 Inch Height 6 Inch;10 Inch Extra Plush Firmness Medium Bamboo Infused Foam Special Function Cooling Gel Foam Plush Mattress Medium Mattress