The AMP 2 layer hemp boosters are made 55/45 Hemp/Organic cotton. Need to boost the absorbency of your diapers? Two layers of super absorbent hemp cotton make these boosters trim and absorbent. These work well with any brand of diaper. If you are looking for a booster for night time, we suggest the AMP 3 layer hemp booster or the AMP 3 layer hemp insert.