Feature: The science party theme cup plastic cone is transparent, so you can clearly see what color the drink in the cup is and mix your own drinks at will. These science bottle straw sets are suitable for science theme parties, birthdays, Halloween parties, school science theme activities, etc. Specifications: Material: paper, plastic Color: as the picture shows Size: about 1.97 x 3.94 inches/ 5 x 10 cm Package include: 36 X Science Party Theme Cups Set Warm notes: Please allow slight size error due to manual measurement. The colors may exist slight difference due to different screen.