Made up of food grade silicone
comes in set of 3. Level 1 resistance strength 3 kgs(6.6lbs), Level 2 resistance strength 4 kgs(8.8bs), Level 3 resistance strength 5 kgs(11lbs)
The strength trainer is ergonomically designed and fits well for all hand sizes, which perfect for men, women, seniors and teens. It is great to fit into your gym bag or handbag. You can get repetitions in while commuting, at the office or anywhere.
exercise your finger strength and flexibility