Both sides of this lucite keychain show Delicate Arch in all its glory! World-famous Delicate Arch in Arches National Park has an opening that is 32 ft. wide, and 46 ft. high! This dramitic free-standing arch is all that remains of a thin Entrada Sandstone fin sculpted by thousands of years of erosion. Size: 1 3/4 x 2 /3/4 inches.