Features: / new and high quality. Noise isolation ear plug, can keep your ear secured from neighbor/s decoration noise, noise from construction sites, road noise, fireworks and more. Help provide you non-disturbance sleep, study or work. Perfectly great for infants, protect their immature ear and hearing ability Also effective on water resistance, can be used for swimming Specification: Material: Silica gel Product Size: 2/1cm Net weight: 1.7g/pair Color: 7 colors optional Note: There could be some slight differences in the color tone of the pictures and the actual item. Please allow 1-2mm differs due to manual measurement, thanks. Package Included: 1 Pair x Noise Cancelling Earplugs Features: / new and high quality. Noise isolation ear plug, can keep your ear secured from neighbor/s decoration noise, noise from construction sites, road noise, fireworks and more. Help provide you non-disturbance sleep, study or work. Perfectly great for infants, protect their immature ear and hearing ability Also effective on water resistance, can be used for swimming Specification: Material: Silica gel Product Size: 2/1cm Net weight: 1.7g/pair Color: 7 colors optional Note: There could be some slight differences in the color tone of the pictures and the actual item. Please allow 1-2mm differs due to manual measurement, thanks. Package Included: 1 Pair x Noise Cancelling Earplugs