Rubber-Cal Armor Lock Interlocking Rubber Mat - 3/8-inch x 2ft x 2ft - Black Unique interlocking mechanism of these rubber tiles allows for a simple DIY installation Puzzle interlocking nature of this interlocking rubber mat allow for a modular flooring option Provides vibration reduction and shock absorbent qualities that make these mats ideal as commercial rubber gym tiles Convenient 2ft x 2ft heavy-duty flooring made from reclaimed and natural rubber that offers abrasion resistance and unmatched durability. Works perfectly as rubber garage flooring, weight room mats, home gym flooring, flooring in a basement, treadmill mats, kennel mats, exercise mats, or flooring industrial warehouses!