Wedge pillow is orthopedic pillows designed for sleepers with pain issues and/or poor circ-ulation. Provides the incline allows patient to rest their head, shoulders, body or legs and knees in an elevated position that promotes better circulation and pressure points. They are longer and wider than standard sleeping pillows, and also tend to be heavier in order to prevent slippage during the night. The inclined position can also benefit those who snore heavily or experience frequent acid reflux, arthritis, degenerative arthritis of spine, or struggled for years with waves of claustrophobia. Specification: Material: PVC flocking Size: 22inchx23inchx7inch How to use: 1. Can be inflated with the mouth 2. Inflation: The thumb and forefinger pinch the bottom of the nozzle to make it flat, then insert the pump, and the other three fingers hold the pump for inflation. 3. Air Pressure Adjustment: According to the actual use needs to adjust the inflation pressure of the air cushion, the bottom of the air nozzle can be flattened to perform the deflation operation. Note: 1. According to the needs of use, appropriate air charging and discharging, adjust the soft and hard degree of the air cushion. 2.If you still feel uncomfortable when use the pillow, we suggest that you can put an extra pillow underneath, it will be more comfortable 2. It is forbidden to directly touch the sharp and hard objects to prevent the puncture and air leakage. 3. It is strictly forbidden to fold below zero to prevent cracking. 4. High temperature contact is strictly prohibited. Package List: 1 x Inflatable wedge pillow Not include pump.