MATERIAL: Surface 100% cotton; sandwich 100% polyester; lining 100% cotton DESIGN: Multi-layer warmth, the outer layer is windproof and cold-resistant, the middle layer is evenly padded to lock in warmth, and the inner layer is soft and snug. Widely Application: The vest just like a little lock sniffing heat generating warmer can be used as a spring and fall jacket or winter innerwear magic weapon. AGE RANGE: Provide vest coat for baby age 6 months to 3 years. SERVICE: If you find any question, please contact with us. We will provide you with good after-sales service.