<b>Size: L (Neck:12.6 - 15.7 in) for medium dog breeds</b></br><b><br></b></br>Size Chart:</br>Size S (puppy, small dog breeds) -- neck size: 10.6 - 11.8 in, recommended weight 9 - 19 lbs, depth: 5.1 in</br>Size M (small dog breeds) -- neck size: 11 - 13.8 in, recommended weight 16 - 22 lbs, depth: 5.1 in</br>Size L (medium dog breeds) -- neck size: 12.6 - 15.7 in, recommended weight 23 - 28 lbs, depth: 7.5 in</br>Size XL (medium dog breeds) -- neck size: 13.8 - 17.3 in, recommended weight 29 - 38 lbs, depth: 7.9 in</br>Size XXL (large dog breeds) -- neck size: 17.3 - 18.9 in, recommended weight 39 - 49 lbs, depth: 8.6 in</br>Size XXXL (large dog breeds) -- neck size: 18.9 - 20.5 in, recommended weight 50 - 99 lbs, depth: 11 in</br><b><br></b></br>Please choose the size that suits your pet according to its actual size. Measure your pet's neck size and head size to ensure that it can fit and cover your pet well.</br>To find the right collar, you will need TWO measurements</br>1) Neck Size</br>Use a soft ruler to wrap around your pet's neck and take the readings. If you do not have a soft ruler, simply find something soft or their collars to record the size and measure the unbend length.</br>2) Head Size</br>Use a ruler to measure the length from their backside of the head to the nose.</br><br></br>Details:</br>The dog cone is made of pet-friendly PVC material, which is non-toxic and odorless as pets can use it with confidence.</br>Pets can move freely when wearing it and the discomfort of wearing a cone can be minimized due to the softness of the material.</br>The dog cone uses a Velcro design for adjusting sizes so that pet owners can easily put on or take off the cone, and don’t have to worry about it gets too tight or loose.</br>Our products are designed and produced with high-standard specifications. They are wear-resistant and durable, and not easy to break even if your pet bites and drags.