Grundens Herk Apron - Fabric: A heavy cotton canvas base material (7.7 oz. per yard), coated with a specially formulated PVC (10.3 oz. per yard) fora total weight of 18 oz. per yard. The PVC coating is specially designed to resist oils and remain flexible in extreme cold. Applications: Food processing, Commercial Fishing. Features: Nylon webbing neck strap, simple tie back closure. Available in Orange; One size fits all.