One of the longest lasting dog chews you will find! Himalayan Dog Chews are made from 100% Yak and cow milk, salt and lime juice. Himalayan Dog Chews originate from an ancient recipe that is used by the locals to create a long-lasting snack to chew when they worked in the fields. Now, this snack is available as an extra-long-lasting treat for your dog! Sizing Small Recommended for dogs under 15 pounds Medium Recommended for dogs under 35 pounds Large Recommended for dogs under 55 pounds Extra Large Recommended for dogs under 65 pounds Mixed Recommended for dogs under 70 pounds