Movie Theater Popcorn Cups Reusable Popcorn Bucket - Set of 3 Popcorn Set - (7x4.5 Inches) PLASTIC Popcorn Tub. Made out of thick reusable plastic for your convenience. LARGE Popcorn Bucket Measures 7 x 4.5 Inches. SET OF THREE Comes in a popcorn gift set. REUSABLE. These popcorn boxes are very easy to clean and dishwasher safe. STACKABLE. For easy storage.