HZTG Boy Girl Winter Warm Balaclava Hat Ski Riding Waterproof Face Mask Fleece Neck Warmer Material:Outer:100% nylon;Fur Lining:100% polyester. Size Description:One size fits most 2-10 years old boys and girls. Waterproof Durable Material:Different from other fleece balaclava,it is waterproof,when your kids play outdoor in rainy and snow days,head will not get wet any more. Super Breatheable,Keeping Warm and Healthy: Double layer thickened to keep warm,Unique anti-smog mask design,plastic breather valve can be removeable,open,washable,It can protects your kid's health.(with 10 pcs PM 2.5 filters) Travel Is No Longer Burden: Its function equal to hat+mask+scarf,You can wear it as you like.You don't need to bring anything more in cold weather. Perfect Choice In Winter: It can keep your kids ears and face warm.When he or she is skiing,riding a bike,or playing outdoors in cold weather.