Description: SOUNDPROOF EAR PLUGSThe earplugs adopt the sponge formula and technology to make the sound insulation effect stronger and the ears will not bulge after long-term wearing. COMFORTABLE TO USEThe sound-isolating sleep earplugs are made of light and soft material allowing your ears to enjoy quietness and comfort at the same time. BREATHABLE DESIGNThe inside of the earplugs has a high-density micro-vent design so that the ears are not stuffy and the noise reduction performance is effectively improved. SLOW REBOUNDThe slow rebound design makes it easier to insert into the ear making your wearing process comfortable and convenient. SUITABLE OCCASIONSIndustrial standard meet daily sound insulation needs the average noise reduction can reach 36 decibels suitable for sleeping studying etc. How to use: 1. Knead the earplugs back and forth into a uniform slender strip the thinner the better (remember not to pinch it flat as it cannot penetrate deep into the ear canal) 2. Wear both hands at the same time one hand goes around the back of the head and lifts the upper auricle to straighten the ear canal and the other rotates to slowly insert the thin earplugs into the ear canal 3. Block the bottom of the earplug with your finger for 10~30 seconds feel the earplug slowly rebound and fill the ear canal Specification: Material: sponge Color: pink blue green Size(approx): 5 x 2cm/1.97 x 0.79inch(height x width) Package: 2 pairs x ear plugs Note: 1. Due to the light and screen difference the item's color may be slightly different from the pictures. 2. Please allow 0.5-2 cm differences due to manual measurement.