This product is from China. It has a fabric content of 73% Cotton, 25% Polyester, and 2% Spandex. The size scale includes 1, 3, 5, 7, 9, 11, 13, 15, and the size ratio is 1:1:1:2:2:2:2:1.

To use these products, just pick the right size for you from the available scale. When it comes to washing, you can use a regular laundry cycle with mild detergent. Avoid using bleach as it may damage the fabric. For drying, it's best to air - dry them to keep the shape and fabric quality. Store them in a dry and cool place to prevent any mold or mildew growth. If you notice any stains, try to spot - clean them as soon as possible.