The sense of wrapping is better, and the baby feels safer
1.Enough Back support. Properly support baby's back and hip, and the placement of legs and hip is ergonomic.
2.Head support and light blocked. Properly support the baby's head and neck, block light, and can be used by newborns.
3.Small size and easy to wear. Small size, simple adjustment, fit parents' body safely and comfortably.