Features:Clean, soft, beautiful, practical.This item adopts a formula for making safe and non-poisonous pesticide that can kill parasite efficiently. It is harmless to people and your pets.When your pet is playing outside and wearing this collar, the fleas, lice, mosquitoes, acarids can be killed efficiently.It can prevent your pet being infectious.Description:Material: PlasticWeight: App.20gColor: Sent in random (The color of product you receive may be different from that of the pictures here.)Approx. 40x1.5 cm/ 15.74"x0.6" (LxW)(The neck size should according to dog's neck circumference choice, medium dog may multi collar meet together,SO PLS check your dog's neck size before biding. THANK YOU!)Quantity: 1Pcs Package included:1 x pet flea collarNote:1.Due to the light and screen difference, the item's color may be slightly different from the pictures. Please understand. Make sure you don't mind before you bid.2.Please allow 1-2cm differences due to manual measurement.