Rapid ECH0137C 250ml Beaker made of translucent polypropylene plastic with 10ml raised graduations and specifications and a tapered spout for easy pouring. Beaker measures 3.9" tall and 2.8" in diameter. Inner diameter measures 2.7". Microwavable, autoclavable, with superior chemical durability. Can withstand temperatures between -20°C to 135°C.