[3-in-1] This baby strap supports three baby hugging methods: front in, front out, and back hugging. [Comfortable to use] Made of soft and breathable fabric, ergonomic design and thickened shoulder straps make it comfortable for parents and infants to use. [Convenient and Portable] The soft and lightweight baby strap is foldable, easy to store and carry, and is perfect for going out with infants or toddlers. The ideal choice for parents and babies is to help babies sleep better without causing fatigue or soreness in their arms, making it easier for mothers to breastfeed and better promoting parent-child emotions. Long term use : The baby backpack features a sturdy buckle shoulder strap that can be adjusted and is suitable for infants under 15 kilograms from 3 to 16 months old