100% Acrylic.Hand Wash Only.Material: Baby girl hat made of high quality Acrylic, soft, warm, keep your baby head warm in the cold weather.Size: One Size fits for most 6 months-36 months baby, Head measurement: Original Size - 30 cm(11.8 Inch), Maximum Stretch - 50 cm(19.7 Inch).Design: Soft and warm material, keep your baby's head warm. Top cute pompom design with simple style that is great for everyday wear and stretchy to grow with your baby.Feature: This knitted beanie hat is made of durable materials which are eco-friendly and comfortable. With its light weight, this hat will not cause pressure on your kids' head while keeping warm.Occasions: Baby must-have winter hat fits for indoor and outdoor activities. Best gifts for your baby in the cold weather. Hand wash recommend, and when you clean the pompom, don't be rude.