This specially designed packet contains 5 "invisible STRETCH O Loops".
Each loop can be stretched up to 5 times of its original size. (About 30 cm or 1 feet). "Invisible STRETCH O Loops" is designed to be black to diminish the reflection of light.
Loops can be stretched all day long without worry. It is extremely elastic and without slack which could otherwise hook accidentally into anything other than your wrist..
