This 500mL (16 ounce) Unitary™ wash bottle has a wide-mouth top for faster easier filling. Bottle and tubulation molded in one-piece LDPE construction. Polypropylene screw closure is leakproof. Contents can be dispensed without tipping or shaking. Dispensing tip can be cut back to increase flow. Material: LDPE with PP screw closure. Closure size: 38mm. Capacity: 500mL. 4/Pack; 24/Case. Nalgene® #: 2402-0500.