FITS MOST OLYMPIC size iron/steel weight plates. THICK DURABLE VINYL DECALS have a laminate to help prevent scratches, wear and fading against the sun and moisture common in most garage and basement gym environments. EASY TO APPLY - Just peel the backing off and line up with the center hole and lay flat. Smooth over with your hand to remove any air bubbles. Thats it! TRANSFORM YOUR GYM by applying Plate Snacks to your existing olympic weight plates GREAT GIFT for any gym owner, trainer or fitness enthusiast!