It's warm, so it's useful for going out in the winter. The fabric is thick and good. It stretches well and doesn't pill no matter how many times it's washed, and it's easy to take off because it has stretch. Length: Approximately 56cm, Waist (laid flat): Approximately 23cm There is a snag on the right knee (see photo 10). There is no hole. The following is a quote: Warm fleece material. The stretchy material is comfortable and easy to put on, and children can easily put it on and take it off themselves. It has a back pocket, making it easy to tell the front and back, so children can easily change clothes themselves. You can adjust the waist by pulling out the elastic from the inside and sewing it yourself. Specifications: Waist: Full elastic, with elastic adjustment opening, washing tag location: inside Material: 52% Polyester, 42% Cotton, 6% Polyurethane