Squeaky Tennis Balls by Spunky Pup feature a durable embedded squeaker. Balls are dog-safe with no harmful gas fill. No abrasives used in the surface means they are safe for your dogâ€™s teeth.

Features patented double anchored squeaker that ensures squeaker will not collapse inside ball like other tennis balls with squeakers. Non-pressurized Dog-safe balls with no gas fill.
Non-abrasive surface is safe on dogs' teeth Sized for small dogs.
Non pressurized Dog-safe balls with no gas fill.
Rubber, Polyester.

[instruction]Warning: Pet should be supervised when playing with this toy. Remove toy from pet if any part becomes loose or detached. Intended for pets only, keep out of reach of children.[/instruction]

Spunky Pup Squeaky Tennis Balls 3-Pack Small