1. SIZE(LxHxW): There are 5 size for your choices, our trifold mattress storage case fits for most 46 inch single, twin, queen or full trifold mattress, pls measure your mattress to select the proper cover size. 2. MATERIA: This portable trifold mattress storage bag are made of 420D oxford fabric to keep your folding mattress protected from dust, sunlight, rain and other elements for longlasting durability. 3. COMPREHENSIVE PROTECTION: Water repellent processed, resists UV, fade Resistance, and ripresistant. With an added UVstabilized coating, delay the aging caused by UV rays and prolong the life the trifold guest bed mattress storage bag cover builds to last through all seasons. It Won't crack in cold weather even. 4. HANDLES ZIPPERS DESIGN: The handles are very suitable for storage and transportation. The Double Zipper design for easy access.