Feature:Leak-proof inflation valve to prevent gas leakage during inflating.The quick release valve can quickly discharge gas when it needs to be stored after use.The water channel plays a role in guiding the water flow to the water outlet correctly, and will not discharge dirty water everywhere during use.Product details:Material: PVCProducts Including: 1 x Inflatable Hair Washing Tray1 x Repair stickers1 x Plastic drainage pipe1 x Manual air pumpNotice:Cause everyone's neck width is different, in order to avoid water leakage, maybe you can spread a towel around the neck under the hair washing tray.