Premium Thermal & Breathable Fabric: Potopok kids balaclava ninja mask is made of super soft and reasonably thick fabric that keeps your child warm in fall and winter. It is skin-friendly, cozy but also anti-static and breathable, give kids comfort and warmth in cold weather. And it is washable and reusable..High Elasticity, 2 Size for Most Kids: The balaclava mask scarf is super stretchy, elastic on all sides, no tightness for comfort, and it is not easy to deform. It can be adjusted to fit various face shapes, accommodate most head sizes. There are 2 size available, small size(width 8.7", height 14.6" size) for 3T-8T kids, large size(width 9.8", height 15.7" size) for 8T-15T children/teens. The width approximately can be stretched by 2.5"..Protect from Wind & Dust &Cold: The balaclava is adopted with three-dimensional cutting and multi-directional enveloping design, it provides kids' face with an all-round protection. It can protect kids neck, mouth and face at the same from harmful UV, wind, dust and sand, but will not their affect speech and field of vision, keeping kids feel warm and clean in cold weather and outdoor activity..Versatile Balaclava: The balaclava is durable as you can see, four needles six lines sewing craft makes it stronger. It has a wide variety of wearing ways, you can use it as balaclava, hood, neck warmer, mask scarf, head cover, etc. There are several colors to choose from, boys and girls can wear by their own style according to their need..Multifunctional Balaclava Mask for Activities: It is suitable for various outdoor sports and activities: Biking, Hiking, Running, Climbing, Camping, Fishing, Motorcycling, Skiing, Snowboarding. It can be used as helmet liners without any trouble. Give your kids pretty face and neck best protection, and let them enjoy colorful outdoor sports!