●Features
Made of elastic， hard-to-slip silicone.
Able to safely keep mouth open.
Also safe for people with edentulous jaw to use.

●Auto-clave and hot-water sterilization: OK. Hygienic and economical.

●Use the product as it is or make it twofold before using， both are OK. Adjust the tube so as it fits mouth-opening condition and biting force.

・Material　Silicone rubber
・Heat-resistant temperature　220 degrees
・Specifications　
Total length:150mm　
Outer diameter:20mm　Inner diameter:14mm