Anti Rust - Shower curtain magnets are 360covered with premium siliconeThe hermetic silicone cover can completely isolate the magnets inside from the air and water to avoid corrosion and ensure longterm use and durability STRONG MAGNETS - The magnetism of our curtain magnets is twice as strong as the others on the marketEven for the very thick fabric plastic curtain under the running water our shower curtain magnets will attract each other tightly and will not slide down PROPER WEIGHT - Each pair of magnetic curtain weights are approx3 6 oz which is twice the weight of the most curtain weights on the marketAccording to the user it s the most suitable weight to keep the shower curtain liner in place and stop it from being blown Anti Collision & Noise - Reduction The soft silicone covers of curtain weights can serve as protective layers to avoid the magnets inside from being broken into pieces when they fall by accident while others break easily because of the hard glass coverAnd the silicone covers can also be denoising layers to soften the sound when our curtain weights hit the tub while others may cause loud annoying noise Wide Application - Not only as shower curtain weights these magnets can also be used as window curtain weights to keep window curtain stop from blowing as tablecloth weights to keep tablecloth in place as fridge magnets to pin memo and shopping list and as white board magnets to stick notes and pictures Colour:Black Material:Silicone+Metal Size:4cm Package Contents: 3 Pairs * Shower Curtain Weights Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.