& specifications: 1Made of nylon fabric, lightweight, durable and waterproof, pet hair free and blackout. 2If your dog is anxious or gets car sickness, the calming blindfold makes your dog calm. 3Calming dog eye mask can make it easier for you to groom your dog, such as bathing, trimming dog claws, cleaning ears, and cutting hair. 4Dogs resistance to emotions can be relieved and its easier to cooperate when minor surgery or physical examination without anesthesia is performed. 5Size S : mouth circumference 4.72"-7.09", neck circumference 7.09"-12.6", Size M : mouth circumference 5.51"-8.66", neck circumference 7.87"-17.32", Size L : mouth circumference 7.09"-10.24", neck circumference 10.24"-22.83", Size XL : mouth circumference 9.45"-12.6", neck circumference 12.6"-25.2". Specification: Material: Nylon cloth Weight: S: 40g, M: 41g, L: 54g, XL: 58g Colour: Black