OUR GUARANTEE | Each of ZOHAN's ear defenders are rigorously screened before dispatch to ensure that each product is fit for purpose. We offer 100% SATISFACTION GUARANTEE and 90 days money back guarantee for quality problems. UNIQUE AND INNOVATIVE DESIGN | The baby earmuffs boast a cute appearance design that captures both cuteness and captures the baby's attention. With vibrant colors and adorable patterns, these earmuffs bring joy and delight to the baby when worn. We also come with a quality drawstring bag and a beautiful box. It will be a perfect gift for newborn baby or autism toddlers. ADJUSTABLE HEADBAND&PORTABLE BAG | This newborn baby headphones features an adjustable size to accommodate different stages of a baby's growth(4 cm between each velcro patch). You can easily adjust the earmuffs to fit snugly without being too tight, providing the baby with the most comfortable wearing experience. ANTI-SLIP HEADBAND | Equipped with an anti-slip headband, these baby ear defenders ensure a secure and stable fit on the baby's head during their activities. Whether playing outdoors or resting at home, the ear defender stay in place comfortably, preventing any slipping or discomfort. (In addition, We have also included a spare headband which increases the lifespan of the earmuffs, making it easier to replace and maintain them.). SAFE AND ECO-FRIENDLY MATERIALS | We prioritize the baby's health and safety, which is why these hearing protections are made from Safe ABS materials and Skin-friendly pads. They are free from harmful substances, ensuring reliable protection for your little one. 23DB NRR NOISE REDUCTION RATING | As 3-6 months baby are very sensitive and vulnerable to environmental sounds. This noise cancelling headphones offers a remarkable 23dB noise reduction rating, effectively reducing external noise that could disturb the baby. It creates a quiet environment, promoting the protection of their hearing health.