Features: Suitable for many occasions, it will help you a lot in your study and work, protecting your hearing well. Wide application, perfect for Sleeping, Working, Studying, Shooting, Travel, etc. Lightweight and comfortable, great for you to wear for all night. Soft enough that they can stay snug and perfectly secure. This will give you an effective noise cancelling solution. Specification: Type: Earplugs Material: Sponge Color: Pink, Blue, Yellow (Optional) Quantity: 30pcs, 60pcs, 120pcs (Optional) Item Size: Approx. 25 * 13mm Package Size: (30pcs): Approx. 65 * 65 * 65mm (60pcs): Approx. 112 * 65 * 65mm (120pcs): Approx. 160 * 65 * 65mm Package Weight: (30pcs): Approx. 33g (60pcs): Approx. 67g (120pcs): Approx. 115g Package List: 30pcs / 60pcs / 120pcs * Ear Plugs