Acrylic,FleeceMachine WashDouble-layer fabric: Outer: 100% Acrylic, Lining: superfine fleece lining; The outer material of the toddler winter hat is soft and thick, the fleece inside is very soft, and the baby hats use healthy and eco-friendly materials, gently care for baby's head without causing skin discomfort;Two sizes are available:Baby Beanies are suitable for toddler from 3-24 months and 2-6 Years; Size S: hat height 21.5cm/8.5"; Size L: hat height 22.5cm/8.8";Winter beanie has high elasticity, fits tightly to baby's headEar protection warm beanie: The ear protection design of the winter hat can cover baby's ears and head in the cold winter; The high-quality elasticity makes the hat tightly protect the ears and keeps baby warm;Tightly sewn toddler hat: Tightly knit, high-quality stitching technology, and warm winter hat prevent the cold wind from baby's head, keep baby warm in the beanie;Classic solid color knitted hat: The cute and fashionable toddler knitted hat in various colors can be matched with winter coats such as sweaters, cotton clothes, down jackets, etc; Suitable for daily wear;The best gift for babies.