Product name: Pet flea ring Product size: Dog: Total length 40 cm/ 15.75 inches , applicable neck circumference :20cm~34cm / 7.87inches ~13.39inches Cat: total length 27 cm/ 10.63 inches , applicable neck circumference :14cm~24cm / 5.51inches ~9.45inches Product color: As shown in the figure Product material: PE Product features: This flea and lice collar for cats and dogs is a flea and lice control product specifically designed for your cat and dog. This collar has a strong flea control effect, which can help keep your pet away from fleas and lice, and keep your pet healthy and comfortable. This pet flea ring is made of safe materials, no irritation to the pet's skin, easy to use, just wear the pet's neck, it will be sustainable and effective against fleas and lice parasitics. Whether it's your cat or your puppy, this flea-free, lice collar is a trusted choice to provide your pets with comprehensive protection, keep them clean and healthy from fleas. Precautions: 1. As we all know , the different computers display colors differently, the color of the actual item may vary slightly from the following images. 2. If you feel difficult to choose the size, you can feel free to contact mewe will give you some suggestion, but it is for you reference only. Shipment includes: 1 pcs Pet flea ring