SmartNappy NextGen Hybrid diaper is the most innovative and best-designed baby diaper available. The hybrid design supports both reusable inserts and disposable inserts. Years of design, development, and testing with parents, pediatricians and babies were invested to create the best diaper. The SmartNappy advanced leak protection features a double guard - The only baby diaper with 2 waterproof layers and 2 elasticized barriers. The SmartNappy is the reusable diaper system that eco-conscious parents have been looking for! A reusable diaper system that is easy to use, stylish, good for the environment, and does not leak! The SmartNappy disposable inserts fit easily into SmartNappy Pocket-Sling and stay secure. Disposable inserts are highly absorbent with quilted top layer for fast absorbency and baby's comfort. Fragrance free. Ink free. Latex Free. Phthalate free. No plastic liner. Available in three sizes. Size 1 disposable inserts are compatible with the SmartNappy size 1 diaper cover. Size 2 disposable inserts are compatible with the SmartNappy size 2 diaper cover. Size 3-4 disposable inserts are compatible with both SmartNappy size 3 and size 4 diaper covers. The SmartNappy Pocket-Sling is designed to allow Parents to remove the insert and re-use the diaper cover multiple times between washing. The caregiver will assess whether the Pocket-Sling and the diaper cover require washing when changing baby's diaper. SmartNappy disposable inserts are preferred by parents when extra convenience is needed. Our disposable inserts do not include plastic liner like typical disposable baby diapers, and by using our disposable inserts parents will reduce their plastic waste footprint. Smart for baby. Smart for parents. Smart for our planet. The perfect choice for environmentally conscious and fashionable parents. Let's make a positive Change for a more sustainable Future!