Dual Sun Protection UPF 50+ sun protective fabric can block up to 98% of all harmful UV rays. Plus it is designed with a wide brim that covers and protects your babies face & neck area from the sun without obstructing their vision. Fits Well & Safe Adjustable head strap and chin strap make this sun hat grow with your baby together. This chin strap is specifically designed to come undone under pressure, a safety feature to help prevent choking. Breathable & Comfortable There are mesh vents on the side to allow air flow, making this baby sun hat breathable and cool. Sweat absorbent inner belt and mesh lining also provide additional comfort in the hot & sunny days. Foldable & Packable Lightweight & foldable material makes this toddler sun hat super convenient to pack into your bag for travels. Available in multiple colors to choose from for an easy match to any of your little one's outfits.