Styrofoam™ calorimeter cup (7.5 cm inside diameter, 10 cm deep) has 1.3 cm thick walls for excellent thermal properties. Set includes five different metal samples, a thermometer, plastic tubing, and a water trap that prevents unwanted condensation of steam.
https://www.pasco.com/products/lab-apparatus/thermodynamics/calorimetry/td-8557#specs-panel
