Below is a listed compiled from our manufacturers as to the sizing of their products, these are estimates, every baby is different based on length and build.

bumGenius! AIO Size Chart

bumGenius! 3.0 One-Size Pocket Diaper Sizing

bumGenius! Bamboo Fitted Size Chart

Bummis Super Brite Cover Sizing

Bummis Super Whisper Wrap Sizing

Bummis Bamboozle Sizing

Happy Heiny's One-Size Diaper Sizing

Happy Heiny's Pocket Diaper Sizing

Happy Heiny's Pocket Trainer Sizing

FuzziBunz One-Size Diaper Sizing

FuzziBunz Perfect Size Diaper Sizing

Drybees Fleece Nighttime Diaper Sizing

Drybees AIO Diaper Sizing

Knickernappies 2G Pocket Diaper Sizing

Thirsties Fab Fitted Diaper Sizing

Thirsties AIO Diaper Sizing

Thirsties Diaper Cover Sizing

Thirsties DuoWrap Cover Sizing

Mommy Necklaces Sizing