hello Welcome to our store. ◆ product features ☆100% United States pure cotton certification -- pure, natural, healthy (except sports grey 90% cotton +10% polyester, deep hemp grey and hemp grey purple is 50% cotton +50% polyester); ☆KRS pre-shrink treatment fabric, effectively avoid clothing shrinkage; ☆180 g/m2 (5.3 oz/square yard); ☆2cm seamless single stitch collar; ☆ American cylinder seamless technology, wash and wear; ☆ shoulder and neck position with enhanced compression shoulder, more beautiful and comfortable; ☆ cuff and hem are used double needle sewing, strengthen durability; ☆ strengthen anti-wrinkle shaping treatment; Type of goods available Gross weight: 1.0kg Version: loose type Main material: cotton Collar: round collar Sleeve length: short sleeves Pattern: solid color Packing: one piece Basic style: popular youth Design theme: custom /DIY Applicable season: summer Thickness: normal Applicable population: teenagers Note: for manual measurement, please allow 0.5-1 inch difference.(1 inch =2.54 cm) As the computer screen is different, the color of the actual article is slightly different from the above picture. Thank you for your understanding. If you have any problems, please feel free to contact us! Have a nice 2. We use Europe szie, Please measure the size according to the clothes they usually wear (not their body), check their size with below size chart before buying, If their measurement is pending between two sizes, advise the selection of the Larger size. If she is not sure about the size, please leave me a message about her weight and height, I can give them a suggestion. Note: Please allow 0.5-1 inches differs due to manual measurement. (1 inch = 2.54 cm) The color of the actual article slightly deviate from the above images due to different computer screen, thanks for your understanding. 3.An everyday essential, this simple round-neck t-shirt is cut from the finest cotton with an extra-soft feel. A relaxed fit, it has a ribbed round neckline, short sleeves and neat top-stitched edges. Made of Premium 100% cotton, giving you the best that we can offer. welcome to contact us to get more information