Solid Rubber Gym Mats 4'x6'x1/2" (Sold As 6 Pieces) 6 pieces of 4'x6'x1/2" solid rubber mat w/ an inverted diamond plate & pebble design Used to increase stability of all weight training exercises, power lifting, kettle bell workouts, dumbbell workouts, etc. Mats help to protect your floor & exercise equipment. NO shipping to Alaska, Hawaii, and APO/FPO addresses or PO Boxes NOTE: Please be advised that virgin rubber has a smell that fades away with time