Add some color and shine to your birthday celebration! Get the Building Block Whirls! These whirls are perfect to hang from the ceiling, a doorway, or even use as part of a backdrop. The whirls are made out of a cardstock material as well as a metallic material. The whirls are 17 inches wide by 32 inches long. The metallic part of the whirls gives off a light shimmer when twirling in the light. This item comes in a pack of 6. Order your whirls in bulk along with the rest of your party day supplies!