BabyKicks super absorbent onesize Basic Insert is made with 2 layers of fast absorbing microfiber and 2 layers of thirsty hemp terry.  This tried and true combination of microfiber and hemp has been put to the test by many cloth diaper users and is renowned for its ability to contain leaks.  If you prefer natural fibers against baby’s skin then there is no stuffing required, simply lay the insert inside the cover hemp side up and voilà!