Fit Index: Tight, Slim, Regular, Loose. Thickness Index: Thin, Medium, Thick, Extra Thick. Measurement Unit: Centimeters. Due to different measurement methods, a margin of error of 1-3cm is normal, please understand. Elasticity index: No elasticity, Slight elasticity, Medium elasticity, High elasticity. Length index: Short, Regular, Medium-long, Long. Please wash in cold water, do not soak for a long time, do not wash with light-colored clothes, and hang to dry in a cool and ventilated place. Please refer to the care label for washing instructions 1057554338