Angry Birds Treat Bags. Catapult your party into a smashing success with these Angry Birds Treat Bags! Straight from the hit video game into your home, these dastardly green pigs have gotten away with the eggs, but don't let them take your treats! Fill these plastic bags with birthday party favors, gifts, candy and more to leave your guests with a memorable treat to your birthday bash. Complete your Angry Birds birthday party with even more Angry Birds party supplies and decorations, sold separately online. Plastic. (8 pcs. per set) 6 1/2" x 9"