Solgra Hat Heart pattern New with tags Size M 3520 yen Cooling process that makes it cold when wet, wrung out, and shaken. Size adjustable. Cooling COOL The inside of the hat is treated with a cooling process that makes it cold when wet, wrung out, and shaken. It has an elastic cord and stopper around the neck for size adjustment to fit your dog. We will only offer a discount for the shipping cost on bundled purchases. If you wish to purchase multiple items together, please let us know in the comments before purchasing.