Product Description Sizes: S (neck circumference: 18-30cm), suit for large cats and small dogs NOTE: This collar is suitable for cats and small dogs. a wound in half front of the dog's body! If the wound is in half back of the body, you need to choose the funnel to tapered collar. How To Use 1.Guide your pet's daily collar to the collar. through the loops of the inner ring of the collar. and glue the strap which is to be placed in the neck, then adjust it for a perfect fit. 2. Inflate the collar via a valve at; air (pinch and blow).Please assemble the zipper when inflating. Inflate until full, but not hard. Soft and Comfortable The premium inflatable collar is ideal for pets recovering from surgery or injuries and won't mark or scratch furniture. Adjustable Velcro closure for easy transport and adjustment. Always monitor an animal after surgery to ensure the collar is working properly. Plus Size For larger breeds with longer limbs or breeds between sizes, always choose one size larger. Easy to clean. Ranger Designed for pets only. Cannot be used as a flotation device.