Nơi xuất xứ
Guangdong, China
Standard or Nonstandard
Standard
Item Name
rubber o ring for thermos
Color
black, clear or any other colors are available
SIZE
3x1, 4x2, 8x2, 20x1.5, 30x2 and so on
Usage
seal the gaps of electric appliance
Function
Waterproof, dustproof, airproof