Lasts super long. Two Pcs of Jumbo Size Yak Cheese Chews - This one is Specially made for Large Breeds Big Dogs and Aggressive Chewers. Average size is 8 inches long and each piece weighs more than 6 ounces. Extra Extra Large. Alternative to Antlers and Rawhides. All Natural made with Free Grazing Himalayan Yak Milk. Made in our own FDA registered and approved facility. Simple 3 Ingredients - Yak Milk, Salt and Lime Juice. Very Nutritious, Low in fat. Grain and Gluten Free. High Quality made with Pasteurized Milk. Minimally Processed and 100% Satisfaction Guaranteed.