Niru® Cushion-Ease® GSII™ Solid fire retardant is a high performance modular anti-fatigue matting system with a drainage top anti-slip surface texture and a multi-nib backing for comfort and ergonomic support of the mat. Made of 100% nitrile rubber compound that provides the highest resistance to chemicals, cutting fluids, animal fats, oils and greases. GSII™ has a silicon carbide grit surface for extreme traction in the harshest of work environments. GSII™ has a silicon carbide grit surface for extreme traction in the harshest of work environments. Large holes provide excellent drainage and aeration leaving a dry, clean work area. All Cushion-Ease® mats have a male/female interlocking system and are compatible with Notrax® M.D. Ramp System® for easy on-site custom configurations and trip-resistant platforms.