The BASIC wrap has been laboratory tested to carry up to 14kg. However, for optimal comfort, we recommend up to 9kg. Related articles Is it possible to carry a premature baby or a baby weighing less than 3.5 kg? What is the difference between the BASIC and Original JPMB wrap? Is my baby wrap too tight for my baby? What is the PAD for the Little Wrap Without A Knot? Are your baby wraps stretchy or woven?