PH: 7.3 Formaldehyde content: ND SVHC Reach passed Water soluble topping film, some people also call it as "PVA avalon ... /35 micronSize: 5"x5", 7"x7", 8"x8", 15"x15"...Water soluble topping film is suitable for the following fabrics:· Towels· Fleece ... , using room temperature or warm water. No need to soak.For more message please log onto our corporate website. Water Soluble Topping Film