1Adjustable pet health for 10 months continuous prevention of fleas and ticks in dogs and cats silicone collar 2The recommended veterinariansafe and naturalcan be used for most forms of natural pest control for cats and dogs Fleas ticks and other pests always migrate upwards 3The collar is worn on the pets neck to prevent all pests from reaching the head The whole body is protected but the attention around the neck will be highest 4 Pet flea collars10 months protection waterproof adjustable one size suitable for everyone 4Multiple usesIf you do use insectrepellent drops you can also use the collar for a short time when you expect to be exposed to pests more than usual for example visiting a forest or farm You can also put the collar in a vacuum cleaner to kill pests while vacuuming