This Inflatable Sensory Tray is the perfect addition to your classroom, daycare, or home. Use for containing sensory play contents, such as water, sand, dough, beads, macaroni, and more. There is even enough space to add letters, numbers, or toys for children to interact with. You get 1 inflatable sensory tray with blue base and clear inflatable sides made of PVC material. Each tray measures 23.5" x 17.7" (60x45cm). Each tray is inflatable, just as the name states. Simply blow up the sides of the tray with a few breaths before use. The tray holds up to 28 cups (1.75 gallons) when filled and is leak proof! The surface is easy to wipe clean. Just use soap and water to rinse. The best part is, you can easily deflate this tray when ready to store. Once deflated the tray can be folded and stored away, save space like never before!