Amazon.com: Softvox Ear Plugs for Sleeping 3 Pairs, Reusable Silicone Earplugs Sound Proof Noise Cancelling for Side Sleeper Study Travel Working Snoring Blocking -32dB Hearing Protection, with Cord & Case, Blue :
Alpine PartyPlug for festival and partying – Alpine Hearing Protection
Amazon.com: Noise Cancelling Ear Plugs with Cords 4 Pairs, Noise Reduction Soft Silicone Earplugs Waterproof Reusable Earplugs for Sleeping, Snoring, Swimming, Study, High Fidelity Earplugs : Everything Else
Ultra Soft Foam Ear Plugs With Travel Case - 12 Pair - Up & Up™ : Target