Color: Gray Packaging Size: 15cm (length) x 10cm (width). Set of 2 pairs. Material: Silicone. Comfort: Made of skin-friendly, highly fitting silicone material. Wearing them as described in the instructions will further enhance the comfort. Usage Scenarios: During sleep, office work, studying, at live music venues, during flights, while riding a motorcycle, etc. Quiear [Recommended by sleep improvement professionals] Earplugs for sleep, soundproof silicone, 2 pairs, 32dB noise reduction, unisex, sleep aids, noise reduction earplugs (Gray) ⭐ Immediate purchase OK! Free shipping ⭐ Please check the actual product photos for the product condition. #Nao's product list is here ✨☜ (28-18)