Probios&reg; Probiocin Oral Pet Gel 15g Tube (Pack of 12 tubes) HASTEN FLEA PROTECTION: To increase the flea collar effect, you should take bath for your dog first and try to eliminate as many fleas or ticks as possible. Then, dry him/her and put the collar on his/her neck. And remember to keep your beloved dog in clean place during the high flea or tick season, because he/she can easily to get infected again. GET RID OF FLEA NATURALLY: Dog flea and tick collar control is fully made from natural ingredients. The collar works with the natural oils in your dog's skin to distribute treatment throughout the whole pet's body naturally. By that, the flea collar gives no harms, no side effects or no allergies to both dog and owner. WATER RESISTANCE: Allow bathing, swimming and playing in the rain. Remove and store the collar in the original premium metal container when it is not in used to take the maximum advantage of the flea and tick collar repellent. IMPRESSIVE AND POWERFUL: Repelling flea, tick, larva and other pests after few days of using the flea prevention collar for dog. Offering your dog and yourself a healthy environment LIFETIME GUARANTEE: We endeavor to do our utmost to make our guests as comfortable and happy. With every purchase of dogs flea and tick prevention collar, we offer 100% refund for quality problems within 60 days, please feel to contact us directly