Material: made of polyester
For both dogs and cats.
【Notice important please read】
1. For cats at least 4 months and above only/for dogs at least 3 months and above only. Don't use it if your dogs are under 3 months and cats under 3 months.
2. No need to take off when bath and swim, suggest exchanging a new one after 60 days.
3. If feel uncomfortable please take off immediately.
4. DO NOT lick the flea collar.