Statement about use： 1、Babies' skins are quite sensitive and they require special attention. Follow these guidelines for their safety. 2、Please check the product for loose yarn before use to stop the baby from swallowing it. 3、Please make sure the product is not in direct contact with the baby's skin. 4、Please make sure your baby is not allergic to wool before using this product. Statement about size： 1、Please keep the measuring tape loose. Do not stretch the tape to measure. 2、The size may have a 4-6cm difference due to manual measurement and elasticity of products, please note when you measure.