Child adjustable baseball cap: this sun hat fits 4-10 years, suitable for babies with a head circumference of: 50 cm - 54 cm. The Velcro fasteners on the back of the head are easy to put on and take off, can also be adjusted for comfort. The age is just a guide, you can choose the size according to your baby's head circumference. Breathable mesh sun hat - The baby sun hat is made of comfortable, ventilated mesh fabric, which is made of high-quality fabric without harmful chemicals, is more comfortable and adapts to the skin. Fun brim visor hat: the brim is 7 cm (2.7 inches) long, can protect the baby from the sun. The brim can be turned inside or in a cool place to make it cooler. The hat is deep inside, and the small long brim that helps the baby resist the sun, great for outdoor activities or travel. Fashion design: with multiple colours design, cute and stylish, ideal for outdoor or photography, summer trip, beach play, park or any other outdoor activity. It is a perfect gift for dear children boys and girls. Summer best choice: this toddler children's sun hat will be the best choice for your baby in the hot summer to protect head, face, eye from strong sunlight. Summer must-have baseball hat for toddlers to play on the beach or in the backyard.