Fold-up Pads have a trifold (3-fold) section of absorbent fabric attached to the winged pad. These are available in waterproofed and non-waterproofed options. See the information page for folding information on these pads.
“L” means Light absorbency, “R” means regular absorbency and “H” means heavy absorbency. “w” Means it contains PUL waterproofing
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