Some listings include a padded notebook/laptop sleeve that fits up to 14 inches; other listings explicitly state there is no laptop pocket.
Age recommendations vary by listing: some are labeled for all ages, some specify 6 years and up, and at least one lists 18 years and up.
Most use zip closures and commonly include a front zip pocket, an inside zip pocket, and side pockets. Some listings note multiple compartments and a roomy main compartment with two zipper pulls.
Strap options include adjustable shoulder/back straps and a top carry handle. Some listings mention fabric straps or an adjustable strap plus a top handle for easy carrying.
Care instructions vary by listing: many recommend spot clean or wipe clean, while at least one listing specifies hand wash.
Weights listed range from about 0.9 pounds to 1.5 pounds, with another listing at 1.28 pounds.
Listings describe unstructured mini daypacks, structured full-size backpacks, and miniature constructions.