The ear muffs are designed with 3 layers of professional noise dampening foam, high sealing solid cup and the unique shell, the ear muffs offer a SNR 27 dB (Noise Reduction Rating) for ears. With the latest sound insulation technique that is able to reduce sound to 27dB, the hearing protection ear muff is suitable for large-scale activities and sports events. for baby below 2 year-old. Feature - Color: Pink. - Material: Plastic. - Size: About 15 x 15 x 8cm/5.9 x 5.9 x 3.1inch. - The ear muffs are designed with 3 layers of professional noise dampening foam, high sealing solid cup and the unique shell, the ear muffs offer a SNR 27 dB (Noise Reduction Rating) for ears. - With the latest sound insulation technique that is able to reduce sound to 27dB, the hearing protection ear muff is suitable for large-scale activities and sports events. - It also performs favorably in keeping the baby from loud injurious sound. - Adopted from eco-friendly material, it is lightweight and easy to store and extremely comfortable for your child. The headband and ear cushions apply a comfort and snug. - Suitable for infant below 2 year-old.