texture of materialsilica gel Product categorycollar colourGray 62cm, 38cm Features: Can remove fleas, lice, mites, ticks, etc. from pets The effective period of the unsealing and opening of this collar is eight months. If your pets are uncomfortable, just remove the collar! Specifications: Features: 1.Flea collar can get rid of fleas, lice, mites, ticks, etc. on pets. 2.Plant extract can maintain aromatic flavor and can be rinsed. 3.Overall waterproof, can be washed directly, does not affect the product efficacy. 4.The collar contains plant essential oil molecules, which are slowly released when exposed to the air, giving off fragrance, repelling insects and eliminating fleas. 5.Our collars not only repel insects, but also glow at night. Note: 1.Do not give this product to children to play, prevent the entrance. 2.Because of the large fragrance in the sealed package, it should be placed for ten minutes after opening the package before wearing it. 3.The effective period of the unsealing and opening of this collar is eight months. If your pets are uncomfortable, just remove the collar! Package Included: Cat Flea Collar*1/Dog Flea Collar*1 Notes: 1. Please allow 1-3mm measure error. 2. The color of the actual items may slightly vary from the above images due to different computer screen, thanks for your understanding