Description: Anti fleas & ticks collar By emitting a toxic (to fleas, anyway) gas to kill all stages of flea life cyle Able to kill fleas, ticks and mosquitoes plus flea eggs Effective within 24 hours of application and lasts for up to 4 months Works on pet and his environment, including bedding and sleeping areas Buckle fastened that not easily to get rid of by your pets Flexible nylon handle won't upset your pet Easy to put on/ take off Place the collar around dog's neck tightly enough that collar is in contact with the dog's skin Buckle the collar and trim off the excess Take it off when taking shower for your pet to keep the collar effective as long as possible Note: Used only on puppies aged two weeks and over Keep out of the reach of children Size: approx 29cm*1.5cm Adjustable length: approx 18~27cm Color:We will randomly send color,hope for your understanding! Note: 1. The color is just for reference only. It may slightly different from real item. And we will send the color to U randomly, hope for U uds! 2. Please allow the size for 1-3cm difference due to manual measurement. Thank you! Package include: 1 x Pet Anti Fleas Collar