Hearing protection station including plugs, SparkPlugs® in colorful designs, SNR 35 dB, including 500 pairs of Spark Plugs®. High sound insulation of 35 dB. Pleasantly soft wearing comfort. Secure fit - good sealing in the ear. Practical and hygienic storage exactly where hearing protection is needed. Easy to access. Comfortable to wear. Practical dispenser containers with 250/500 pairs of earplugs. Wall mount not included. With their special foam formula, the colorful marbled Spark Plugs® earplugs provide the optimal balance between pleasant softness and stability. They can be easily rolled together and expand at just the right moment in the ear canal. There, they sit securely and reliably protect against noise without causing pressure. Spark Plugs® offer high sound insulation of 35 dB (SNR).