Brand Shengyuan Model SW3001 Quantity 1 Color Blue Material Dacron + Sponge Functions Inflation: Unscrew the opening mouth wait till the sponge fully inflate and then screw the opening mouth; Deflation: Unscrew the opening mouth tuck the pillow to exhaust the air and then strap it with the included band. Other Features The ergonomic design of this inflatable pillow is cozy to sleep on while in outdoor and is very easy to carry and convenient to use; It can achieve a maximal 10cm thickness you can inflate it according to your own preference. Packing List 1 x Inflatable pillow 1 x Storage bag