Hey Harper is the original waterproof jewelry brand Size & Weight   Height31.5mm / 1.24"  Width22.7mm / 0.89"  Thickness7.4mm / 0.29   Inside height22mm / 0.87''   Earring post thickness1mm / 0.04''   Earring post length7mm / 0.28''   Weight7.1g / 0.016lb   Composition   MetalStainless steel   Coating14K gold PVD durable, waterproof   Lifetime color warranty   Our waterproof jewelry is designed for your daily routine. Shower, workout, swim it can handle it all without fading. We stand by this, thats why we offer a lifetime color warranty. If your jewelry ever loses color, kindly contact our customer support with a visible picture of your item. We've got you covered!  Please note that materials other than Stainless Steel do not go under the PVD coating process, which makes them not covered by the Lifetime Color Warranty.