* Sealed on all four sides to prevent leakage. Prevent the urine from flowing on the bed or baby body. * Under pads with polymer SPA offer extra absorbency and protection, Highly absorbent, soft fluff fill with SAP * Soft feeling gives the baby a more comfortable sleep. * Waterproof and save your time to clean. Non-skid blue backing. * Ideal for baby home or travel use, get rid of your worrying that dirty the bed or sheets.