23.6 in (60 cm). Proven effective formula. With cedarwood & peppermint oils. Up to 4 months protection. Made with botanical oils. Repels fleas, ticks. PHthalate & PVC free. Water resistant for dogs & puppies 4 months or older. Fits all dog sizes up to 20 in neck size. Out! Petcare, LLC represents that this product qualifies for Exemption from registration under the Federal Insecticide, Fungicide and Rodenticide Act (FIFRA); therefore, this product has not been registered by the United States environmental protection agency. Natural Care flea & tick collar is a natural alternative for flea and tick repelency that lasts up to 4 months. It was created and proven by scientists to provide safe and effective protection when used as directed. The repellent collar is infused with natural essential oils that provide a barrier of strong yet gentle defense for your dog, setting it apart from conventional collars. Repels fleas & ticks. Natural active ingredients. Made with gentle botanical oils. Proven safe & effective when used as directed. Up to 4 months of protection. Water resistant. Comfortable & durable. Money back guarantee upon proof of purchase. www.NaturalCarePets.com. Questions or comments? Call us at 1-800-448-8552 or visit our website at www.NaturalCarePets.com. For added protection against fleas and ticks in your home & yard, try our complete line of Natural Care Flea & Tick products. Made in USA.