S Size: 27.6 in, suitable for baby body length between 27.6 in--31.5 in
M Size: 31.5 in, suitable for baby body length between 31.5 in -- 35.5 in
L Size: 35.5 in, suitable for baby body length between 35.5 in -- 43 in
Made of 100% high quility cotton.soft,and comfortable;The sleeves can be split.Zip closure open-seat pants design help to easy pee or poo;Do not need to take off the sleep bag;
Super soft material helps your little one have a adorable sleep condition;Adorable design,walker sleep bag not only allows baby kick freely when he/she is sleeping, but also allows baby standing and walking.