Effective Hearing Protection: Suitable for 3-15 year old kids. The toddler noise reduction headphones muffle noise to prevent hearing damage; It is a perfect gift for children who have sound sensitivities for airplane flights, monster jam, sports events, Disneyland, concerts, movie theaters, fireworks, etc. Authorized Certification: Constructed by solid ABS-shell and thickened noise-dampening foam, the ear muffs offer an NRR 24dB rating and block out noise by a great amount, ANSI S3.19 (US) & CE EN352-1(EU) certified One Size Fits All: Retractable stainless steel and 360 rotatable ear cups with comfortable foam can be adjusted to fit any child's head of various ages; Effortlessly keep the earmuffs for your child's lifetime Ultra Soft and Comfort: Padded headband reduces the pressure on your kid’s head for superior comfort while soft ear cushions ensure a snug fit; Ergonomic design helps your beloved little ones to feel confident and secure Compact Folding Design: Easily tuck the earpieces back into the headband for compact storage and convenient portability; the ear protection headphones fold up nicely to fit in a backpack without adding bulk while taking up less space ProCase Kids Noise Cancelling Headphones prevent hearing damage, the ear muffs offer a NRR 24dB rating and block out noise by a great amount, ANSI S3.19 (US) & CE EN352-1(EU) certified. Retractable stainless steel, and 360° rotatable ear cups with comfortable foam can be adjusted to fit children's heads across the 3-15 age range.