[Quality Materials] Use environmentally friendly ABS and sponge materials, our children's earmuffs are durable, safe and sustainable to use, and prevent irritation. Protect your child's hearing by blocking the noise of sporting events, concerts, and flying planes.[Adjustable Headband Design] Elastic and soundproof earmuffs can be flexibly adjusted to suit various baby head sizes.[Lightweight and Easy to Store] Foldable and compact design, easy to store or carry. There are 4 colors for you to choose from (white, pink, green and blue). Stylish colors make it fashionable for your children to carry and wear for any occasion. [Durable, Soft and Comfortable] Earmuffs can bring lightweight and extremely comfortable experience for your child. Padded headbands and soft ear pads provide a comfortable wearing experience for your child while ensuring a comfortable fit.[Professional Earmuff] Our earmuffs feature 3 layers of professional noise reduction foam, high sealing solid ABS earmuffs and a unique double-shell design to ensure NRR (noise reduction level) of 30dB ear protection in compliance with ANSI requirements.Material: ABS + spongeSize:Earmuffs: 9 x 7.5 x 5 cm (length x width x height)Headband: 49 x 4 x 4 cm (length x width x height)Color: white, pink, green and blue (optional)Notes:1. Due to the difference between different monitors, the picture may not reflect the actual color of the item.2. Please allow slight dimension difference due to different manual measurement. Thank you for your understanding.