Snook&';s Sweet Potato Dog Chews - made from GMO Free dried golden sweet potatoes. Available in Small, Medium, Large and Extra-Large. Dog Fancy Editor&';s Choice Winner 2010 Recommendations Small For Dogs 3-20 Pounds. Dog Chew weighs approx 6 oz. (actual size is approximately 3x3x9 inches) Medium For Dogs 20-60 Pounds. Dog Chew weighs approx 1 lb. Large For Dogs 60-100 Pounds. Dog Chew weighs approx 1-1/2 lbs. X-Large For Dogs 100 Pounds and over. Dog Chew weight approx. 2 lbs.