Specifications:
Color: Black / Grey / Blue / Orange
Weight:100g
Material: Silica gel
Outer diameter = 8 cm, inner diameter = 2.5 cm
Application: Hand training/ Bodybuilding
Suitable:
20lb-30lb primary grip strength recovery crowd, or girls, the elderly, etc
30-40lb women, less powerful men, etc
40-60lb men, powerful women, etc
Features:
Edible grade silicone, non-toxic harmless
Small size and light weight. Technically stretching anytime, anywhere
The use of environmentally friendly silicone manufacturing, soft, no cracking, long life, do not stimulate the skin