Socks are sealed in packaging; returns and exchanges are not supported once the sealed packaging is opened; the elasticity of the socks may not be very high (if made too large, they cannot fit the leg shape and will not stay up), so there may be restrictions on leg circumference; model's calf circumference 33, knee 36, upper leg circumference 40; fits just right with a little extra room; girls within this range are advised to order; refer to the thin-style images; for shipping, please refer to the end of the details page. For special materials, please refer to the washing instructions marked in the details or take them to a professional care store. "Special fabrics such as wool/leather/cotton-linen/silk/acetate embroidery/embroidery/lace/a large amount of accessories, etc., are not recommended for machine washing; hand wash or dry clean according to the actual situation. If the garment contains detachable accessories (for example: brooches, fur collars, light-colored parts, etc.) or metal ornaments, it is not recommended to expose them to water. PS: Clothing maintenance is also very important. Non-special-material clothing can be machine washed if needed.