This sponge noise canceling ear plug is soft and lightweight, which is comfortable for you to wear during sleeping. Equipped with storage box, this sponge earplug is convenient for you to carry around. Made with sponge material, this earplug is soft and moldable. The length of this soft ear plug is 2.5cm and width is 1cm. It is suitable for sleeping, swimming, diving and other water sports. Item Name: Ear Plugs Material: Sponge Features: Soft, Comfortable, Sound Insulation Size Details: Size: 2.5cm x 1cm/0.98" x 0.39" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 Pair of Ear Plugs 1 x Storage Box