2 lb. Polystyrene-Full Sheets

2lb polystyrene is most commonly used in Hot Tub covers because of its unique closed cell structure. Excellent for insulating and keeping heat inside your Hot Tub. Also can be used for countless craft projects and is easy to work with. Good for insulating and keeping heat or cold inside a particular room. Protects against moisture – this type of foam does not attract fungi or mildew.