They are perfect training discs for beginner lifters as well as for personal trainers and coaches to use in strength and conditioning sessions to improve technique. Product Information: Incredibly strong and durable Olympic Weightlifting bumper plates, tested to 10,000 drops. Designed to be used for Olympic lifting Solid virgin rubber discs will not break or distort through Olympic lifting movements Constructed from a high-grade coloured rubber for durability, as well as a clean, stylish aesthetic Will not damage Olympic Training Platforms Colour coded for easy weight identification Reinforced steel centre bronze sleeve allows easy Olympic bar loading Full size (450mm) for correct technique Look great in any gym, CrossFit facility, sports club, University/School and in your home gym. Available in 5 (Black),10 (Green), 15 (Yellow), 20 (Blue) & 25kg (Red) The Jordan Olympic Colour Training Rubber Discs are available in: 5kg Jordan Olympic Colour Training Rubber Disc (Black) 10kg Jordan Olympic Colour Training Rubber Disc (Green) 15kg Jordan Olympic Colour Training Rubber Disc (Yellow) 20kg Jordan Olympic Colour Training Rubber Disc (Blue) 25kg Jordan Olympic Colour Training Rubber Disc (Red) SPECIFICATION: Brand Jordan Usage Home Use, Commercial Use Condition Brand New Warranty 12 Months Warranty