Pampers Swaddlers Size 4 disposable diapers for babies weighing 22-37 pounds, available in a 164-count bulk pack exclusively at select Costco locations. These premium diapers feature Pampers softest diaper design with outstanding absorbency for up to 100% leakproof protection and up to 12 hours of overnight dryness.

Key features include a Blowout Barrier at the back waist to prevent leaks even during blowouts, dual Leak-Guard Barriers at the legs for protection where leaks happen most, and an absorbent KeepDry liner that locks away wetness from baby's delicate skin. The BreatheFree liner wicks away moisture to keep skin dry and comfortable during long stretches between changes.

Pampers Swaddlers are the #1 pediatrician recommended brand and are designed with sensitive skin in mind. They are hypoallergenic and free of parabens and latex. Each diaper includes a wetness indicator and adorable animal prints. Perfect for active toddlers and overnight protection, these diapers stay snug without irritating skin during play, sleep, and movement.