Portable, comfortable, save space. Perfect for temporary sleeping like sleepover guests, camping, traveling, car and etc. Storage bag can be easily retracted and transport. 【Memory Foam】: 1 inch gel memory foam top ( Soft )+ 2 high density base foam ( Support ). Good balance between supple body support and softness. 【❤️Warm Note❤️】: There is no zipper design for the foam and foam folding, only the 4-inch trifold mattress has a zipper design. You can choose according to your preference. 【Premium Fiber Surface】: Removable, breathable mesh side, non-slip bottom, durable zipper, machine washable. 【Certification】: Memory foam is certificated CertiPUR-US and cover is certificated OEKO-TEX. Product Dimensions: Open 75'' x 25'' x 4'' Folded 25'' x 25'' x 12''.