B grade means it was rejected by machines automatically as some defects. However it still can be used almost. Cheap Price B Grade Baby Diaper in bulk packing in China 1.Super soft Surface, 2.Tissue Paper wrap, 3. ultra thin SAP paper 4.3D leak guard, 5. ADL, 6.magic tape or pp tape 7.Cloth like breathable film or PE film B grade good adult diapers and adult pull ups stock lot direct import from China M 800*650mm L 900*750mm XL 990*800mm Stocklots Lady Sanitary Napkins; B grade womens towels; Grade B Bales Sanitary Napkin; Second grade sanitary napkins; Second quality maternity pads