Wide Application: Ideal for makeup cleaning, ear cleaning, wound care, beauty tools, nose cleaning, household cleaning, etc. Double-ended: The double-headed design can avoids reuse, it is cleaner, and you can get double effect, very affordable. Separate Packing: You will get 4 packs of 7.5 cm long cotton swabs (100 per pack).They are dustproof, easy to storing and carrying, enough for every occasion. Eco-Friendly: Bamboo and cotton are 100% biodegradable, protecting the environment and preventing plastic pollution in our land and rivers(We are doing our best to protect environment, but please allow us to use plastic sealed bags to ensure the hygiene of cotton buds). Material: The ear buds are made from natural cotton and birch, do not contain any perfumes, safe and odorless.