Give your pup a reward they'll go wild for! Jack & Pup Just Beef Lungs are delicious 4-inch beef lung chews made from 100% natural, single-ingredient cow lung—perfect for training, treating, or just because. Key Features: * Perfect for Training – Odor-free, mess-free, and irresistibly beefy! These low-calorie treats are easy to handle and ideal for positive reinforcement. * Tasty & Nutritious – Packed with protein and essential vitamins to support a shiny coat, healthy skin, and strong muscles. * One Ingredient Only – Just premium-quality cow lung. No fillers, grains, preservatives, colors, or artificial flavors. Ideal for pups with allergies or sensitivities. * Naturally Sourced – Made from free-range, grass-fed cattle—never treated with antibiotics or hormones. * Supports Oral Health – Chewing helps reduce plaque and tartar buildup while strengthening gums and promoting fresh breath. * 100% Digestible & Safe – Easily broken into smaller pieces for training or portion control. Safe and gentle on the tummy for dogs of all sizes.