Safety: The hat uses environmentally friendly materials, does not contain formaldehyde and irritating chemicals that can protect baby's sensitive skin Warmth: The super soft inner lining is made of organic cotton. Premium stitching and premium fabric make this new hat super soft and comfortable from the inside out Super cute design: The super cute earmuff keeps your head and ears warm and comfortable. The breathable material also makes it very comfortable and warm to wear ELASTICITY: Exquisite knitting technology, easy to put on and take off for baby and protect ears and cheeks. Long ear flaps to cover ears and cheeks Choice of sizes: can be used for boys and girls from 0 to 3 years old. If your baby has a larger head circumference, you can choose a larger size. The fabric is soft and can protect baby's sensitive skin and keep warm in all directions. Care instructions: Wash separately from other clothes. Use cold water and wash gently by hand. After washing, gently squeeze out excess water and allow to dry. Please do not soak in soapy water for a long time and do not wring out the water forcefully to avoid deformation. Note: The data are all manual measurement, please allow 1-3cm error , due to the light and display difference, there will be some color difference, depending on the physical object received.