3dRose Pi Day Once in A Lifetime Key Chain, 2.25 X 2.25 Inches, Set of 2 (kc_202810_1) Made of heavy-duty durable plastic with high gloss finish Available in sets of 2, 4 or 8 Dimensions: 2 3/8" W x 2 3/8" H x 3/8" D Image printed on both sides of key chain. Hardware included