Keep your LiBa Fly Trap Indoor working effectively for weeks with this convenient 3-pack refill of glue cards. Each card features a powerful, long-lasting adhesive that traps flies, gnats, mosquitoes, and other flying insects for up to 4 weeks. The non-toxic and odorless formula ensures safety for your family and pets, while the easy-peel design allows for mess-free replacements. Just remove the paper cover and insert the card into your trap, and you're good to go!