DescriptionErgonomic design fit perfectly in human ears, unique spiral design to keep water out of ears and protect ear membrane, and protect ears against infection. The material is and flexible, more comfortable to fit for most ears perfectly, cause no allergy to your skin, more safe to use. Come with a case,this swimming earplugs are portable with mini size and light weight, you could enjoy it at anytime and anywhere.Features- Color: Blue and black. - Material: Silicone. - Size: 2.50 x 2.80 x 1.00cm/ 0.98 x 1.10 x 0.39 inch. - The ear plugs for swimming greatly suit the shape both of children's and adult's ears. - Greatly fit in the ears due to the good shape and flexibility allow to deeply penetrate into the ear. - You will get 2 pair swimming earplugs with storage case like the picture, shaped to fit left and right ears respectively. - The material is and flexible, more comfortable to fit for most ears perfectly. - Tasteless and cause no allergy to your skin, more safe to use.