Note: Use with pets that are at least 8 weeks old Do not use the container for food storage or other purposes Do not let children play with the collar Do not allow the dog to chew or eat the collar Consult the veterinarian before using with sick, elderly or pregnant dogs. Features: 1. adjustable size: 63.5 cm long. 2. Hypoallergenicity: Take such non-toxic, healthy materials and add non-allergenic ingredients, don't worry about pet allergies. 3. durable protection: normally, this product will last for eight months (even in water). 4. ingredients: Thirty percent (essential oil), seventy percent (TPE) Material:Soft Rubber Length:50cm/19.68"" Pattern:Solid Season:All Seasons,Spring,Summer,Autumn,Fall,Winter Feature:Quick Release,Cuttable,Adjustable,Easy to Use Type:Collars,Flea Collar,Pet Protection Life Stage:Puppy,Adult,Senior Dog Weight:0 to 22 lbs.,4 to 10 lbs.,11 to 20 lbs.,21 to 55 lbs.,23 to 44 lbs.,45 to 88 lbs. Target Audience:Dog,Cat,Other Animals