1: 13560 babies which have different age and weight participate in the test ,and found that 30 degree angel surface can make the baby will not fall after sitting ,micro-back sitting position will more close to the mother's body ,doubles comfort .

2: there is a pocket that can put a cell phone or wallet .

3: soft slow pressure ,do not oppress the stomach . 3cm breathable sponge filled ,enhanced air circulation and cushioning performance ,release abdominal pressure under waling ,reduce abdominal discomfort .

4:unsing new medical nanometer smooth velcro: smooth surface,strong tension,did not glue the clothing 

5: Load Bearing:20kg, Material:environment friendly Cotton,Polyeste,Carriers Type:Face-to-Face,Front Facing