Puppy Dog Childrens Birthday Party Supplies - Bone Sippy Cup with Straw (16) Includes 16 Dog Bone Plastic Sipper Cups with Straw. Holds approximately 8 oz. Add additional party tableware, kits, decorations, favors, games, and activities to complete your celebration and entertain your guests. Great for childrens birthday parties, kids school parties, a pizza party, sleepovers, prizes, favors, or a theme party. Perfect for your Paw Patrol, Dog, or Puppy themed birthday party.