Popular Chalkless Trial Pack! Set of 4 bags, about 20 uses Try it out! 【Amazing Grip】 Absorbs and shuts out "sebum," the cause of slippage. It also creates an uneven structure on the contact surface, generating powerful friction, achieving an otherworldly grip that feels like it's sticking. 【Overwhelming Durability】 This coating film repels sweat and moisture from the inside and outside at a molecular level, maintaining grip for a long time. It's useful in a wide range of situations that require grip, such as golf, tennis, baseball, basketball, badminton, yoga, darts, weight training, and bouldering.