Costco Baby Products | Guide | Truly Mama 2020
Costco Diapers, $29.99-$35.99/box. Costco carries two varieties of baby diapers: Huggies and their own brand, Kirkland. Both are available in sizes 1-6 in giant quantities. Depending on the size, the box of Huggies diapers range from 21 cents per diaper to 38 cents per diaper, $39.99-45.99 per box.