1. The fabric is natural, environmentally friendly and biodegradable, soft and skin-friendly, elastic, smooth, breathable, not easy to generate static electricity, and has AAA antibacterial function. 2. Color pattern: neutral style, artistic and colorful hand-painted style, giving children more choices of clothing 3. Craftsmanship: classic sleeve sleeve version, can be worn inside or outside. High elastic silk thread is more comfortable, comfortable and not tight.