Lansinoh Washable Nursing Pads have superior absorbency and are super-soft, providing reusable leak-proof protection, wash after wash.Lansinoh Washable Nursing Pads use a three-layer protection technology to protect against leaks: 1) A soft face sheet for superior comfort on even the most sensitive skin, 2) a unique absorbent blend with bamboo fibres at the core for fast absorption and drying, and 3) a waterproof outer layer for confidence throughout the day.Teardrop contoured pads for more comfortable fit and better positioning on the breast and nipple for maximum protection against leaks.Convenient, easy-care washable nursing pads can be popped in the mesh washing bag and machine washed at 40 degrees. No softener or bleach. Dry flat. Do not iron. Do not dry clean.Fabric composition: Front: 100% Polyester. Inside: 75% Bamboo Viscose, 25% Polyester. Back and binding: 100% Polyester with TPU.