From the manufacturer.

🧼 Birchwood Casey Gun & Reel Silicone Cloth. Style: Cleaning cloth / maintenance rag. Lightweight & Portable: Easy to carry in your range bag, tackle box, or toolkit. Soft Cotton Material: Gentle, non-abrasive fabric won’t scratch delicate surfaces.

CLEANING & POLISHING :- Extend the life of the gun and maintain high performance with the Birchwood Casey Gun and Reel Silicone Cleaning Cloth; This accessory for gun maintenance is ideal for safely removing dust and corrosive fingerprints.