Square plastic pocket-sized case with one set of reusable ear plugs. Ear plugs made of Silicone, reduction devices or personal protective equipment where required. Made of high-grade silicone material, They are BPA free, washable, reusable, and safe to use, means that you can use them for as long as possible. Soft surface enables no paining or any discomfort. Orders of 8000 pieces or greater are eligible for sea shipping. 100% guarantee for quality.