VKWEIKU Underwear Men Pennis Enlarger MicroModal Boxers Magnetic Therapy Trunks Brand: VKWEIKU; (The Biggest and Most Famous Magnetic Underwear Brand in the world and Better than "Vince Klein") 92% MicroModal ( from Lenzing Austria ) Underwear +8% Spandex Underwear 18 Magnets Underwear +600+ Tourmaline Boxer Size Chart: Chinese L(Height165-170cm/Waist25-29in); Chinese XL(Height170-175cm/Waist29-33in); Chinese XXL(Height175-180cm/Waist33-37in) ; Chinese XXXL(Height180-185cm/Waist37-41in); Shipping Time:(Seller:VK Clothing Inc.'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:VK Clothing Inc. and Amazon Prime.