Sneaker Doctor™ Nylon Brush Firm. SIZE: 95mmx31mmx18mm COLOUR: Natural Timber and White APPLICATION: Sneaker Doctor™ Nylon Brush Firm is made with nylon bristles so it is strong enough to work the cleaning product deep into the grain and all the nooks and crannies to get out that grime from the sneakers or any surface you need to scrub. FEATURES AND BENEFITS: Sneaker Doctor™ Nylon Brush Firm is made from synthetic bristles so it is firm to work the cleaning product deep into the grain and all the nooks and crannies to get out that grime from the sneakers or any surface you wish to scrub. Caution do not use on delicate fabrics or Gore-tex. CAUTION: Rinse well after each use, do not accelerate drying with a hair dryer or heat gun as the nylon could melt. Country of Origin: Germany