Construction birthday party hanging swirl decorations, caution traffic signs tractor bulldozers dump truck party foil swirls decorations for kids boys construction zone birthday decorations supplies Easy to use: There is one hook on the top of party swirl for easy display, that will just need a few minutes to gently separate, can be hung indoor or outdoor, on the wall, ceiling, on a tree, etc.. With reliable quality, not easy to break and can be applied repeatedly. Wide range of uses: These construction party supplies are nice party decorations, which will make an atmosphere of a busy construction zone right on your party. Wish your child a happy birthday with these decorations. Specifications: The Biggest Size: 17 x 17 cm/ 6.7 x 6.7 inch Color: yellow and black Styles: as pictures show Package includes: 21 x Foil swirl decorations with cutouts 9 x Double spiral decorations without cutout Notes: Due to computer resolution, sunlight, indoor lighting, and other factors, there might be a little color difference.