Size: The neck is buckled up to about 28cm, suitable for newborns to two years old baby. The buttons are designed for two different lengths, and the parents can adjust the neck elasticity of the child's growth. The front is made of Korean organic cotton + Korean imported cotton cloth, the inner layer of four-fold yarn, and the Taiwanese double-yarn yarn on the back. 【Precautions】 * Due to manual production, it is inevitable that there are some errors in the size. Positive and negative 1 cm is a reasonable error value. Perfectionist or unacceptable, please do not place orders~ *Every work is presented by hand. If it is not in stock, the pattern configuration and distribution when the cloth is cut cannot be exactly the same as the spot, but it will be presented with obvious themes. If you can accept it, please place an order. * If the handmade products are in stock and shipped in stock, if there is no spot due to pure hand-made, it will take about 3~7 working days to order. *Washing advice: hand wash, dry, can not be used to dry the washing machine, the front is recommended to use medium and low temperature ironing, the back peas cloth is not recommended to iron, once the ironing will smash the bean bean cloth. Waterproof goods are forbidden to use the iron to deform and break! *The computer screen is slightly different from the actual color, which is subject to the actual color.