Our HumBird overnight inserts are crafted from a bamboo blend is the same insert found in the Supernova. These are meant to be used alone or with your current system to up your absorbing power. This listing is for 1 insert.
Insert is made from 3-layers of 70% bamboo 30% organic cotton and 1 layer of organic bamboo velour in natural. The insert is a long approximately 32" and can be folded to meet the wet-zone need of your child.