Material: Made of durable, hypo-allergenic silicone. Flea Collar: Get an adjustable pet flea prevention collar. Function: Keeps unwanted fleas and ticks away from your furry friend for up to eight months! Options: Opt for a dog or cat collar. Quantity: Choose one, two, or four collars. Suitable: Not suitable for pets under seven weeks old. Pet Flea Prevention Collar | Living Social | Living Social