Features The top is flat so you can fill it out. It is convenient that you do not need to put a sticker when you identify or separate. Spec Model number: No. 7 Cap Color: Blue Capacity (mL): 50 Quantity: 1 box (50 pieces) Material: Body / borosilicate glass, cap / PP (polypropylene), packing / SPP high sheet Code Number: 0101-0927