Download Safety Data Sheet The basics The Jason Markk signature kit includes a 4 oz. bottle of our Premium Shoe Cleaning solution and Standard Brush, cleans up to 100 pairs of sneakers. The benefits Does not contain any harsh chemicals or abrasives. 98.3% Natural and completely biodegradable. Safe on all colors and materials. The uses Effectively cleans and conditions. Standard brush is excellent for tackling dirt on midsoles. The bottom line The perfect pairing to get you started or to maintain your cleaning fix.