"Use these treat boxes to fuel-up on the finest quality of high-octane goodies. A must-have for your race car birthday party supplies these popcorn boxes are cleverly designed as gas cans and come designed with checkered flags. Fill them high with popcorn candies or small toys to create favor boxes kids and adults will love. Paper. (2 dozen per unit) 3 1/2 x 2 1/2 x 5 Simple assembly required.