Heavyweight Wrapped Polystyrene Cutlery, Knife, White, 1,000/Carton Rigid polystyrene material is great for use with firm foods such as vegetables, fruits, steak, and other dishes. Individually wrapped for a more sanitary option. Complimentary color options allow for use in a variety of settings, from office parties to upscale catering. Economical, yet sturdy option for takeout or dine-in uses.