Vince Klein Men 22 Magnets Health Therapy Chinese Red Underwear Modal Shorts 92% Micro Modal/8% Spandex Brand: Vince Klein; Material: Micro Modal 92% + 8% Spandex+22 pieces of permanent magnet Patent of invention No: Q/12HD3743-2008; Size Chart: L(Height165-170cm/Waist26-29in;) XL(Height170-175cm/Waist30-33in) XXL(Height175-180cm/Waist34-37in) XXXL(Height180-185cm/Waist38-41in) Shipping Time:(Seller:Vivian Richardson's Shipping Time: 6-12 days to USA, 8-18 days to other global countries).Amazon Prime Shipping Time:1-4 days in USA. ---Return Policy: Return is allowed without any condition on all items from Seller:Vivian Richardson and Amazon Prime.