Our Synergee Bumper plates are durable, aesthetically pleasing, and they come with an honest price tag. We don't charge you for shipping; we only charge for a low-bounce, high-quality rubber polymer bumper plates. When hitting your 1RM, the last thing that should be on your mind is, “Can I drop this if I need to bail?!”. These bumper plates are built to withstand drops - even from overhead - so you can prioritize your safety while challenging PRs. They are durable and dependable, and they save your platform, floors/mats, and bars from damage, too! With a collar opening of 2”, they can be loaded onto any standard barbell; and with their thin profile, you can load 5 x 45 lbs and 2 x 15 lbs plates on a standard bar sleeve (510 lbs total). Each plate has white letter markings that are highly visible, even from a distance. These plates are a must have for any workout that uses Olympic lifts, as well as home gyms, and school weight rooms.