GUOXING Features: ; 1 Helpful: avoid the trouble of monthly treatment. 2Health: Veterinarians recommend dogs to prevent EA and ticks. ; 3Protection: only one EA dog collar can provide continuous protection for 8 months. ; 4. Safety: the formula without dichlorvos is safe and non-toxic, and can effectively kill parasites. ; Description: easy to wear: easy to use collar can be worn with belt collar. Material: Rubber size: the maximum neck circumference of the dog is 32cm, and the minimum neck circumference is unlimited. It can be used for many dogs weighing up to 30g. Cat neck circumference 19-32cm, cannot be used for multiple connections weight Color: red, yellow, green, blue, black, pink Size: 1cm in diameter, adjustable 19-32cm Quantity delivered: 6 pieces About Shipping: All items will be shipped within 3 business days after the payment is received. Most times you will receive them within 8-12 days then. The specific delivery time is depend on circumstances.Any questions, please feel free to contact us During the shopping process, if you have any questions, please feel free to consult us, we will reply you within 24 hours, wish you a happy shopping Thanks for your cooperation and we'll make you feel satisfied.