Our 100% natural deer antler dog chews are sure to keep your pup happy and healthy. Deer antler chews are completely odorless and are an excellent source of calcium, phosphorous, and other nutrients. These durable chews are also a great way to keep your dog's teeth clean, massage their gums, and exercise their jaw. Measures 7-10" around the curve and is ideal for dogs 40-70 lbs. Loaded with calcium, phosphorous, and other nutrients. Naturally shed from North American deer. No dyes, preservatives, or chemicals. All edges sanded smooth. Antler size - dog weight: Mini - dog weight under 10 lbs. Small - dog weight 10-20 lbs. Small long - dog weight 15-25 lbs. Medium - dog weight 20-40 lbs. Large - dog weight 40-70 lbs. X-large - dog weight 70-100 lbs. Mega - dog weight over 100 lbs.