If there is anything left on the device

Calcium Silicate

puppies love them too

Chicken By-Product Meal (source of glucosamine and chondroitin)

including black-legged

ALZOO Plant-Based Natural Flea & Tick Cat Collar JNRCH-PRNT If there is anything leftPlant Based Natural Flea & Tick Cat Collar, 1 ct The Alzoo Flea & Tick Collar utilizes active plant based ingredients to effectively repel fleas, ticks and mosquitoes and help prevent bite and pest irritation. Laboratory tested and made in the USA, this collar offers long lasting protection while being gentle on your cat and the environment. Features: Plant based ingredients 1 Collar = 4 months of protection Environmentally friendly No phthalates No