Perforated Nonwoven Fabric for Mattress — 30–100 gsm PP Spunbond, Breathable & Dust-Proof Product Overview Product Overview Perforated PP spunbond nonwoven fabric designed for mattress bottom dust covers, mattress quilting backing, pocket spring bags and mattress inner lining. The perforated structure improves air circulation, helping reduce moisture build-up inside the mattress while keeping the fabric lightweight, dust-proof and easy to cut, quilt and convert. Weight