Features Special Cooling Technologies: This cooling vest harness is made with a high technology gel materials which allow it to retain cool for hours longer than an ordinary sponge or cotton towel,keeps your dog cool during hot summer days. Reusable and hand washable. Soft Material and Bright Printed Pattern Design :100% non-toxic fabric, the surface material is high quality canvas cotton soft gel material padded, comfort and breathable. Cute pattern and bright color will make your dog stand out from the rest, really adorable and relieve heat stress and lower body temperature; your dog will love it. Adjustable Buckle Strap with Aluminium-alloy D Ring Design : Very Easy To Put On,pull the dog cooling vest over your dog's head and adjust the chest buckle to complete the fit and it won't slip off easily. With the Double D ring, which is convenience to lead leash for dog walking. Simply Freeze and Use: You only need to put the ice packs into refrigerator for several minutes, it will bring cooling for pets. At the End ,please measure your dog's chest and neck according to the size chart before ordering to ensure the most comfortable cooling for your dog. KUDES Pet Cooling Vest with D Rings for Summer Heat, Long-Lasting Effect Dog Cooling Harness Jacket Shirts - Adjustable Fit Small Medium Large Dogs As you know, dog's can't sweat. they pant to regulate their body temperature. The hotter it gets, the harder they have to work to keep themselves cool. Dog's just want to chill. They'll need extra help during the warmer months to keep them staying cool. Available Sizes: S ( Chest :15.7”-19.7”/ Back Length:10.6”),with 4 pieces Ice bags, suitable for cats and puppies. M (Chest:19.7”-23.6”/ Back Length:11.8”)with 7 pieces Ice bags, suitable for small and medium dogs. L(Chest:23.6’’-27.6’’/ Back Length:12.6”)with 9 pieces Ice bags, suitable for Medium and Large dogs. Notice: Due to manual measurement, there are 0.2" - 0.5" error. Pleasure measure carefully before ordering. Features Special Cooling Technologies This cooling vest jacket is made with a high technology gel materials which allow it to retain cool for hours longer than an ordinary sponge or cotton towel,keeps your dog cool during hot summer days. Reusable and hand washable. Double Aluminium-alloy D Ring Design Has two D-rings, easy links to traction rope hooks, not easy to swing. Is ideal for casual walks, jogging, etc. Pulling pressure is evenly distributed to the body to prevent choking. Easy on & off With 2 quick release snap buckles at side, making it much easier to put on and remove. Adjustable strap create a perfect fit for your dog with some room of growth. Matched with Ice packs Different size Come with different numbers ice packs( 4-9 units), put these ice packs into our special version cooling jackets, which are great to keep cooling for longer than regular cooling mesh cooling vest.