DuraGrid DNS12BLAK Non-Slip Interlocking Modular Multi-Use Safety Floor Matting (12 Pack), Black Versitle and low maintenance. Ideal for high traffic areas in need of ultra durable traction and superior water drainage. Keeps your wet areas dry and sanitary. Can be rolled up for easy cleaning and access. Non-Slip and Slip Resistant. DuraGrid is great for many applications such as the shower floor or even marine decking. It can be laid directly over fiberglass, plywood, or boat carpet to prevent slipping. Simple setup without toxic fumes. DuraGrid tiles simply "snap" together to create any size, perfect for covering unsightly and cracked surfaces. No tools or glue required. DuraGrid Non-Slip safety matting contains anti-bacterial anti-fungus agents to fight mildew and mold creating a clean and sanitary floor. Easy to clean protective flooring. DuraGrid tiles can simply be sprayed down with a hose without hassle or worry. Made in the U.S.A.