PREMIUM QUALITY: Premium resin-over-resin bonded sheets cut faster and last longer for every wet sanding job EXTREMELY UNIFORM: Ultra-precise silicon carbide grain placement results in a more uniform finish ULTRA-DURABLE: Revolutionary paper backing is highly flexible and offers anti-slip protection for industry-leading durability FEATURES: Flexible & anti-slip paper backing eliminates the need for pre-soaking prior to sanding MADE IN JAPAN: Manufactured by Kovax, pioneers in waterproof abrasives and leaders in coated abrasive technology for over 90 years in the automotive, metalworking, and woodworking industries The most reputable wet sanding paper in the world for its durability, speed, and extremely uniform abrasive grains. Sharp silicon carbide abrasive grain is resin-over-resin bonded on a highly flexible anti-slip backing that requires no pre-soaking before sanding.