Anti-Clumping / Anti-clumping SAP is a hydrophilic polymer that has the ability to absorb fluids up to more than 100 times the weight of SAP itself. The absorption is even and the structure is very stable so it doesn't agglomerate and fall off, so the baby doesn't feel heavy when moving. With this SAP material, there are 3 benefits from MAKUKU Diapers - Not Clumping, thus making the baby more comfortable- Even absorption, thus reducing leakage- High and fast absorption, thus keeping the surface dry and able to effectively reduce red rashes on baby's skin. , , Lock Liquid/Dry Fast absorption, lock liquid well, no osmosis, reduce red rash. When the baby sits or is carried, the diaper will not reverse osmosis. The bottom, sides and back will not leak. 3-layer diapers Three-layer pull-up pants covered with elastic around the waist, and the edges are covered with elastic that is more flexible to follow various forms of baby's posture to minimize side leakage. , , Certificates MAKUKU Comfort Fit diapers are certified and have passed innovative scientific research tests to produce the best diapers for your little one. Skin Friendly - This diaper is designed with a 3D surface and an air cavity surface that reduces friction to protect your baby's delicate skin. The waist side part uses edge bonding technology and ultrasonic technology to make it softer and more elastic, gently wrapping your baby with silky softness. Fits perfectly to the contours and Unique U-shaped belly button digging design for NB size to protects your baby's delicate belly.