Do Not Bleach MATERIAL OF MUSCLE T-SHIRT: Made of silky materials (polyester + spandex ) ? smooth,comfortable,soft,breathable,easy-drying and durable ??it like your skin? Please kindly accept some slight color difference caused by different monitors and lights. HAVE FUN:Get your humor mode on with this fun t shirt.Perfect for clubbing,halloween, christmas, costume party, dance and so on, but casual enough that you can wear anywhere. It’s a perfect flipover surprise that always gets a laugh! MAKES A GREAT GIFT:This graphic tee makes the best gift idea for you or a friend. Perfect for Christmas, gift idea for friends, the perfect idea for your brother or sister. Give them a very funny t shirt, Make sure it is a Feeling Good Tees. 3D DIGITAL PRINTING:3D dye-sublimation, a technology that makes the clothing have a high color fastness. It fits close to the body and therefore looks more realistic. The muscle imprint is very realistic that this is really your body. This is perfect for my role playing. WARM REMINDER(About the size):Please refer to our size chart in the Picture or Description.? Do not bleach,or dry- clean. ?