Bamboo/Organic Cotton Diaper Doublers (6 pk) - Each doubler is made from six layers of our thirsty weave of 50% bamboo derived viscose rayon and 50% organic cotton. These hour glass shaped inserts come in two sizes. The large is 5x14 inches and the small size is 4x12 inches. Perfect for adding absorbency to cloth diapers of any kind including pocket diapers, all-in-ones, fitted, prefold and flats. Whether you have a heavy wetter or need added absorbency at night or during naps these soft and inexpensive doublers will do the trick. Although the size two is suitable for all sizes the size 1 is recommended for 6 to 15 pounds and the size 2 for 15 pounds and more. MSRP is $16/size 1 and $18/size 2.