Hoco Cloud Noise Canceling Earplugs For Sleeping

• Average effective physical noise reduction depth: 27dB     
• Materials: silicone, ABS, memory foam               
• Dimensions: 42*40*81; Weight: 40g          
• 3 pairs of noise-canceling silicone earplugs (sizes S, M, L)
• Model M201

* This is not a Earbuds