Package: you will receive 20 pairs of earplugs with cords, large quantity for your daily use Shape: the earplugs look like a Christmas tree, they can attach firmly to your ears without falling off even when you move your body during sleep Material: our silicone earplugs are made of soft silicone, soft and comfortable to wear, reusable, durable, washable, not easy to deform and stain Widely Use: suitable for noise reduction for work, home and sleep. Can also be used for swimming, these corded earplugs are waterproof, can be used to prevent water from entering your ears when swimming. Notes: before inserting the earplugs into the ears, pull the ears up and out, and put them in the right position to have a better effect. When inserting or removing earplugs, they should be inserted and removed gently, slowly Note: The data are all measured manually, please allow 1-3cm error due to differences in light and display, there may be some color differences, please refer to the actual item received.