Bel-art graduated griffin low-form beaker 262100000, 50ml capacity, 10ml graduation, clear, 12/pk griffin low form polypropylene beakers are translucent, chemical resistant and will stack without sticking together. Raised numeric graduations show approximate volume ( 5%). All sizes are steam autoclavable at 121c (250f) and microwavable. note: sold in inner pack quantity includes 12 beakers, priced per each pack.