Small 11.00" Birth - 14 lbs. Green Medium 12.75" 11 - 22 lbs. White Large 13.75" 16 - 35 lbs. Blue XL 15.25" 26 - 45 lbs. Yellow *Approximate length measurements for after inserts have been washed.
Stay Dry InsertsStay Dry Insert consists of 4 layers of super thirsty microfiber topped with a super soft no-pill fleece pulling wetness away from baby's bottom keeping them feeling dry. The XL Stay Dry Inserts have 5 layers of microfiber. *XL inserts fit in BIGGER Best Bottom shells or the Heavy Wetter AIO with the rise fully open.