Pocket insert cloth diapers come in different sizes that will fit your baby based on how many pounds your baby weighs. There are newborn pocket cloth diapers that are 12 lbs and under. Below is an example of a Pampers Swaddlers size 1 diaper and an Alvababy newborn cloth diaper size. It can be made smaller if you need it to be.
Reusable, washable super-absorbent and comfortable cloth nappies/diapers come with 6 diapers plus 12 inserts. Suitable for babies less than 12 pounds.
ALVABABY Newborn Cloth Diapers Pocket, 6 Pack Price: $32.99
Reusable, washable super-absorbent, and comfortable cloth nappies/diapers. The package includes 6 diapers plus 12 inserts.
ALVABABY Newborn Velcro Cloth Diapers Price: $36.99
The next size would be pocket cloth diapers that go up to 33 lbs or more depending on the cloth diaper brand you choose. Also, if they say can fit a 6 lb newborn it is possible they will still be big on your baby. There are AIOs that have added leakage proof. They’ll have double gussets to prevent side leaking, a sewn-in insert that would have 2 layers of bamboo charcoal and 2 layers of microfiber depending on the brand, and an extra pocket in the back for an insert. They also come in newborn size.
Has double leg gussets, an extra pocket for stuffing, and dual opening for easy insert. Suitable for babies and toddlers 3kg-15kg/8lbs-36lbs.
Sigzagor Baby Pocket Cloth Diaper Nappy Charcoal Bamboo Inner Double Gussets Price: $8.59
Suitable for babies and toddlers 3kg-15kg (6.6 – 33 pounds). The package includes 6 diapers plus 12 inserts.
ALVABABY Cloth Diaper, One Size Price: $39.99