Polystyrene, general purpose sample holder; Anti-static material reduces foreign particle contamination; withstands temperatures to 80 ℃, flexes for easy pouring. Biologically inert; resistant to dilute acids, aqueous solutions, alcohols, bases. For use with balances, microwave moisture analyzers, hundreds of other sample handling applications. Flat bottom resists tipping. Pouring easy designed at corner. Disposable.