These birthday balls are made specifically for the dogs that love to play fetch, give them their favorite thing on their birthday – tennis balls! Pink or blue dog tennis balls with “Happy Birthday” printed across the fuzzy tennis ball fabric. These balls are durable and won’t harm your pet’s teeth. These balls are great for giveaways, puppy parties, events, social media photos, and so much more! These balls do not contain squeakers. Available in 2 sizes.