The TRNR (Trainer) HAND RINGS are a two-piece set of donut-shaped hand grips that are ideal for improving grip strength. Two grips of different strengths can be used from beginners to intermediate riders. Made of silicone, it is gentle on the hand and has an allergy-friendly design. It can also be used for fitness at home, gym, and esports. It supports strength training for the hands, fingers and arms, and is available in a choice of strengths from 13 kg for seniors and children up to 22.6 kg. It is easy to use while sitting, so it is perfect as a gift. It is an ideal workout item to get healthy hands.