These tennis balls are long-lasting, dependable, and difficult to shatter or distort. Their vibrant colors resist fading, and they are recyclable and environmentally friendly. Pets can pursue, chew, bite, and use these balls for other purposes. The integrated rubber makes these balls resistant to exposure. Our pet tennis ball is a bright yellow color that shines out to ensure that the dog tennis balls are sufficiently attractive. This makes it easier for your dog to navigate through bushes, water, leaves, and grass. It's a pretty cool thing and enjoyable to train our dogs, making it an interactive dog gift.