It's made of atacic polypropylene,silicification polypropylene fiber silk and polypropylene piece,best choice for doors,window

-there are 1250 radix floss per square centimeter density, ensure excellent airproof.

-the silicification processing polypropylene fiber silk and the central film design got up completely to the waterproof seal perfprmance.

-the unique design of soleplate protection wing reinforces the supporting hair's strength,which prevent fine hair from bending.

-treated by silicon oil,fine hair possesses water-resistance,anti-aging,anti-abrasion and anti-UV properties.

-soleplate is made from random PP with excellent aging and low temperature brittleness performance.

More informaiton pls contact us,thank you!