IKEA HEJSAN Pen Cups {Set of 3} Helps you keep your pens, rulers and other small things organized. Includes 3 different sizes. (Small, Medium & Large) Stacks within each other when not in use for easy shipping & storage Colorful triangular pattern, coordinates with other IKEA HEJSAN Series. Sizes: 2 3/8x2 3/8x3", 2 3/4x2 3/4x3 1/2" and 7x3x4"