YAKERS 100% Natural Dog Chews, made with Himalayan Yak Milk! YAKERS dog chews are suitable for all dogs over 4 months old, and are ideal for serious chewers, these are softer in comparison to extra tough Antlers andamp; Buffalo Horns but much, much tougher than a standard dog chew ...YAKERS 100% Natural Dog Chews, made with Himalayan Yak Milk! YAKERS dog chews are suitable for all dogs over 4 months old, and are ideal for serious chewers, these are softer in comparison to extra tough Antlers andamp; Buffalo Horns but much, much tougher than a standard dog chew. YAKERS dog chews are low in fat at only 5.2% so are a super healthy and tasty treat your dog, they are also long-las