Tink's Peak30 Peak Heat Premium Doe Estrus is our most advanced and scientifically certified estrus deer urine available. Collected exclusively during a doe's Peak Standing Estrus-the critical 24-hour window when she is most receptive to breeding-this pure formula is guaranteed to contain 30pg/ml of estrogen, the peak level for a doe in heat. Each batch undergoes rigorous scientific testing to ensure purity and potency. PURE. CERTIFIED. TESTED. If you want to maximize attraction during the rut, Tink's Peak30 delivers the highest quality scent to bring bucks in close. The dial-up wax-based formula allows for easy, mess-free application to boots, limbs, leaves, ladder stands, and other surfaces. SCENT: Our strongest, most potent authentic doe estrus scent, collected at the absolute peak of her breeding cycle. APPLICATION METHOD: Dial-up wax-based formula for easy, mess-free application. HOW TO USE: Apply liberally to boots, limbs, leaves, ladder stands, sticks, fabric, and other surfaces to disperse scent effectively. SIZE: 2.75 ounces of powerful, long-lasting scent in a convenient stick format.