1.weight:1.13g. 2.the product usde for rotary dial phone in the volume control,clock display,key fighure of internal keys.

1. material: made of hight quality silicone2. low/heat resistance:-25°C-250°C.3. Buttons with good bounce, conductive performance better, long life and strong aging resistance.4. It's tear resistance, Soft ,smooth, flexible, non-stain and water –resistant etc.5. it’s key never fall off and fade or change colour and not produce any size of such silicone shape6. the product was used for various phone internal keys buttons, etc.

hand-free telephone key