Otis Ear Shield Premium Earplugs 33dB In The Ear Made of Yellow Foam 50 Pairs (100 Pieces) Includes Waterproof Case Simple, effective and portable, these Premium Foam Earplugs are perfect for the range, workshop, garage and more. Toss a 50 pair can in your range bag and you'll always have ear protection. As a bonus you'll also get a water-proof screw top canister that holds 2 Earplugs that can clip onto any keyring or strap.