One Size Cloth Diapers like the Tiny Tush One Size Cloth Diaper, the Kissaluvs Marvels One Size Fitted Diaper and Growing Greens One Size Diapers require an outer waterproof cloth diaper covers.

Both the Econobum One Size Diaper and Flip One Size Diaper System are a twist to the one size diaper style. Each come with a one size waterproof outer shell and either one size prefolds or inserts to lay within the outer cover (shell).

Other One Size Diapers have a waterproof outer material sewn in; Happy Heiny's One Size Diapers, the bumGenius! One-Size Pocket Diaper, the Gro Baby One Size Diaper, Tweedle Bugs One Size Pocket Diapers, and FuzziBunz One Size Diaper, and finally, the Rumparooz One Size Diaper all have this waterproof outer material and therefore, do not require cloth diaper covers.

Reduce your future cloth diaper purchases with the purchase of One Size Diapers!