Captivator(R) Fly Trap: this heavy-duty, reusable and economical plastic jar comes complete with 1 tube of attractant. Just squeeze attractant into jar and add water. Captivator(R) Fly Trap's one-way entry system keeps flies in the trap and its 2 quart capacity means minimal maintenance. | Starbar Captivator Reusable Fly Trap | Size Each