Product information: 

Fabric Name: Nylon 
Main fabric composition: nylon/nylon
The content of the main fabric ingredient: 90 (%)
Crotch lining composition: cotton
The content of the crotch lining: 95 (%)
Style: briefs
Function: No trace, breathable, seamless
Waist type: low-waist
Colour: Black

Size information: 

Size: M, L, XL, XXL

Remark：

SET1：3pcs set

SET2：5pcs set