Welcome to our store: Solid colors: 100% Cotton; The entire website has significant discounts. All products in the store are original designs. Product Description: Shirt: Round neck - short sleeves Size: S- 5XL Warm Remindment 1. About size: The size is subject to the official size chart. You can choose a larger size 1-2 to ensure the size is right for you. 2. About the color: Due to the different colors of the monitors of different mobile phones and computers, the actual color may be slightly different from the picture above. 3. About the error: As a physical measurement, the error of 1-2 cm is within the normal range. Thanks for your understanding.