Heat dissipation breathable grid: Side heat dissipation breathable holes accelerate heat dissipation, and the movement is not afraid of heating during use Flexible silicone material: Made of flexible silicone material, environmentally friendly, non-, and not easily deformed, providing more secure protection. Accurate hole position: The hole position is precise and does not obstruct the buttons, which does not affect the operation. Anti fall and anti-collision: Made of flexible silicone material, it is anti fall, shock-absorbing, wear- and Color: black Material: Silicone Package Contents: 1 x Air Pump Case Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.