Upgrade Shower Curtain Weights:The set includes 4 pairs (8 pieces) of rubber coated magnetic shower curtain weights, they are heavy enough to keep the curtain working properly and won't blow up in the breeze. The quantity is enough for your daily use and replacement, and you can also share them with your family and friends Attention to use:We use premium round magnets, please note that the magnets are super strong when both sides with 6 round edges are sucked together face to face. Once stuck together, it is hard to break them apart directly. At this point, you need to slide the top one away while holding the bottom one. You can refer to our instructions for use Rubber Finish:Shower Curtain Weights upgraded rubber coating makes the magnet completely encased in rubber, which protects the magnet from leaving rust spots on the shower curtain like other magnets. It will also act as a noise reducer and will stay quiet when hitting the tub.