High-concerned chemical: none Craft of Weaving: Knit Model Number: D153 Pattern Type: Solid Material: POLYESTER,Elastane,Synthetic Leather Origin: Mainland China CN: Guangdong Gender: Men Briefs & Boxers: BRIEFS How to choose the SIZE? As we are a global store,sizes cannot meet the size specifications of each country. Please read the size chart below the product options before purchasing and choose the size that suits you based on the specific waist circumference.For customers who need loose fit, please choose sizes 1 to 2 larger. Please DO NOT choose the size directly based on your USUAL shopping habits. Please carefully observe the number of items purchased before making a purchase Pakcage specifications: 1 piece pants Attention: 1. PU underwear. 2. The fabric is smooth and cool to wear. 3. Easy to clean and dry quickly.