Yosoo 4 Pcs Waterproof Soft Flexible Silicone Swimming Earplugs Protection Ear Plugs Articles Prevent Water Protective with Case for Swimming or Sleeping Material: Soft Silicone Color: Transparent Earplug: 16 x 9mm(W x H) Box: 95 x 33 x 19mm(L x W x H) Quantity: 4 piece/box