Ivanko Rubber Encased EZ Lift Olympic Plates - 25 lb. pair (1) 25 lb pair Plates are rubber they will not damage floors or upholstery nor dent or scratch equipment. Ivanko's exclusive rubber formula has a pleasant scent when compared to the offensive smell of other rubber plates. E-Z Lift plates will not crack, chip, flake, peel, rust or tear like cast iron painted or other non-rubber plates.