Our 6 layer insert is made up of 6 thick layers of cotton waffle material and is made with preshrunk fabric for high absorbency and little to no shrinkage and no edge curling and a light blue on one side and gray blue on the other with a bright blue AWJ edge just for some fun. Please note this insert is made from 6 thick layers of natural fiber and they will shrink slightly after being prepped. 4.3 x 11.8 inches Cotton Waffle fabric 320 GSM