EUC don’t think these were ever used LITTLE EARS, BIG PROTECTION - Shield your baby’s ears from potential hearing damage in loud environments. Our NRR 21dB baby headphones reduce harmful noise while preserving ambient sounds UNINTERRUPTED COMFORT - Baby ear muffs are plush foam for a gentle, pressure-free fit around ears. Lightweight at 135g, with a soft headband cover for ultimate comfort. Ideal for little explorers ADJUSTS AS THEY GROW - The adjustable headband extends to fit a range of sizes from newborns to 36 months. Check size chart. Durable, child-friendly infant headphones for endless adventures ADVENTURE-READY PROTECTION - Be it a roaring sports game or melodic concert, these compact, foldable earmuffs have a UV-guarded shell for added ❤️bundle and save!