High-concerned chemical: none Model Number: Briefs Pattern Type: Solid Material: Silk Brand Name: ZYNCUE Origin: Mainland China Gender: Men Briefs & Boxers: BRIEFS * Tag Size: M~2XL,Please make sure that these actual measurements will fit you. M:Recommended weight: 40-50 kg L:Recommended weight: 50-65kg XL:Recommended weight: 65-80kg 2XL:Recommended weight: 80-100 kg *Main Material:Ice Silk *Features:All Seasons, Breathable, Stretch * ItemColor:Random Color(AsPicturesShow) * ItemCondition: Brand New *Garment Care:,Machine Washable * Package Contents: 1*Underpant (No Accessories Included) How to choose proper size? 1)Use similargarmentto compare with the sizes 2)Choose larger sizes if your sizes are same as the flat measurement size chart Note: 1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light brightness. 2. Please allow slight manual measurement deviation for the data.