Technical Specifications: Color: White Material: FDA Food Grade Nylon Size: 6.3cm x 8.3cm/ 2.5"x3.25" Features and Benefits: Use FDA-Approved nylon mesh and thread for the seams. This makes the bag and seam very strong. There are no chemicals or dyes in the material. Resistant to chemicals and heat (up to 428°F/220oC) Inside-out stitching, Each bag is turned inside out for maximum yield. Durable, washable, reusable. Rosin dries your hands instantly. Just pat against your hands to dispense rosin. Improves your grip for better control. Safe Non-Allergenic solution to keeping your hands dry. Notice: 1. Please allow 1-3mm error due to manual measurement.Pls make sure you do not mind before you bid. 2. The color may have different as the difference display,pls understand. Package Contents: 10 x 25Micron Rosin Bags