Medical Grade Silicone,Bite valve apply to Mouthpiece Nozzle outside diameter is about 0.38 inch/9.6 mm,Please check the dimensions shown in the image to ensure fit.
Ideal replacement part for your hands-free hydration equipment.
Durable and soft, drains wholesome water from water bladder.
Self-Sealing, have a one-piece construction so there are no water drips.so you can use it with peace of mind, no need to worry about reserve resources when doing sports outdoors
The mouthpieces are with vivid color to be noted easily, enhance the joy of use?And the size of the bite valve is suitable for most brands products