Material: food grade nontoxic plastic Note: A cup comes with a bag of accessories (3-4 blocks random). There are standard interfaces on cup's body and handle. You simply choose blocks that you like, stand them on it and create the unique mug cup. This cup is compatible with LEGO, Pixel Blocks, Mega Blocks, KRE-O and K'NEX, etc. building blocks. Capacity: about 350 ml Note: This product can withstand 100 degrees centigrade, but can not be put in microwave and dishwasher. Please wash it by hand! Package: 1 x Coffee Mug