Grip Powder Tennis - 
Product description - Tourna Unique Rosin Bag - Dry Powder For Sure Grip Rosin immediately dries your hands. Works great for very hot and humid conditions. Packaged in a resealable pouch. Just pat bag against your hands to dispense rosin.
Improves your grip for better control - Rosin dries your hands instantly.
Comes in a re-closeable bag for storage
Made in the USA
Safe Non-Allergenic solution to keeping your hands dry
DETAILS