This Duo Pack features two great calls. The Super Pack Bugle™ has the patented Blue “Snap-On” Reed and mouthpiece with Support Shelf. It’s easy to carry extends from 13” to 19”,and reproduces calf, cow and bull sounds. The Hoochie® Mama cow elk push call is the most accurate and consistent cow call you’ll ever hear. Simply push for perfect cow elk sounds every time. Tunable design produces mews, Lost™ cow calls and Estrus™ cow sounds. It’s 100% freezeproof.