Lab quality HDPE bottles Perfect for solids, powders or liquids Guaranteed leakproof BPA free Temp range -100C to 120C Made of High Density Polyethylene (HDPE), a reliable and durable plastic. Translucent white with white covers. Jars are not recommended for liquid storage. This BPA-free Nalgene bottle, made of robust HDPE, features an independent screw-top cap for hassle-free opening and closing. It's sturdy, reliable, and offers affordable pricing. It's dishwasher safe (top rack only) and can endure temperatures ranging from -100C to 120C.