Size: 2 inches long, 1.5 inches wide, 1.25" tall These DO make a clop sort of sound, which is why they're called what they are, and are very durable, being made out of plastic.These caps are hollow, so you simply fill with glue and slip them over the existing fingers on your paws, so they stick and hold on. Very easy to attach. You will receive 10 plastic fingertip hooves for this option in an opaque color of your choosing. You can NOT get neon colors with this type of clopper, because the base resin is white; it will always turn out more pastel. If you want a neon color but opaque, please see the UV option. If you want to get as close as possible to your special color even if it isn't neon, think about ordering the UV option. They have a clear base, so have an easier time of matching. Custom option is if you want a custom colored resin that has to be hand mixed. The reason these are more expensive is because we have to hand mix the color from several of our base dyes, and then make test batches until the color comes out close enough. All resin items can be painted with acrylic paints; you may just have to wash them off with soap and water first to get rid of any mold release residue.