Snug Rubber Dog Balls - Tennis Ball Size - Virtually Indestructible (3 Pack) Colorful rubber dog balls are perfect for fetch and other games - works with all standard ball launchers 3-in-1 - Get 3 different multi-vibrant colored balls with each individual pack 100% all natural rubber - most other dog ball are made from plastic foam. Our ball is FDA compliant, food grade heavy duty rubber that is is thick, tough and durable BPA free - Never worry about your dog's health as these are 100% safe for all pets Easy-to-clean, great for pools, ponds and the outdoors. Measures same as standard teniis ball - 6.5cm/2.5'' in diameter