Contains 4 traps - 2.75 inch x 8 inch each. Once they land, they never leave. Glue works for months. Traps flying insects. Transparent on sliding doors & windows. Discreet design is transparent on windows & glass doors. Guarantee to work or your money back (for terms of guarantee, see back panel. Guarantee: If you are not satisfied with this product for any reason, send your written request for a refund to the address below, together with the original dated store receipt showing the price you paid. Please allow 6-8 weeks for processing). www.blackflag.com. Questions or comments call 1-800-887-3524 or visit our website at www.blackflag.com. Made in Korea.