Waterproof umbilical patches mostly use pure cotton or viscose-based spunlace non-woven fabric. The natural fiber components are milder and reduce the risk of allergies. For example, pure cotton spunlace fabric fits the sensitive skin of infants.
Weight: The common quantitative range is 40-60g /m². This range takes into account both softness and toughness, ensuring that the navel patch is light, thin and comfortable, while also having sufficient strength to support structures such as the waterproof film and water-absorbing layer.
