Vetality Protect Flea & Tick Collar for Cats offers a proprietary blend of botanical oils to protect your cat by repelling fleas & ticks for 4 months and repels mosquitoes. Long-lasting, 8 months protection with 2 collars. These collars are Phthalate & PVC free and include a breakaway safety feature. Safe for use around children and pets, when used as directed. For cats & kittens 6 months or older.