[Supervised by a health exercise instructor] Nyan Tre Hand Mike and Kuro 2 types of elastic high-density cushion Mike (soft) Kuro (hard) Cute grip

[Nyan Tre Hand] is a grip strength training product supervised by a health and exercise instructor. Even weak women and elderly people can easily train while watching TV or in their spare time. Set contents: 1 Mike (soft), 1 black (hard) Product size (approx.): Height 13.0 x diameter 5.5 cm Weight (approx.): Mike (soft) 28g, Black (hard) 38g