Material: The Christmas sweater is made of acrylic yarn, which is very soft and comfortable. The knitted design makes this sweater windproof and warm. This sweater has slight elasticity, easy to put on and take off. Size M: Chest length: 17.7-18.5 inches/45-47 cm, neck length: 11-11 .8inch/28-30cm, back length 13-13.8inch/33-35cm, Be sure to measure your fur baby before ordering. Cute design: the sweater for Christmas dog is designed in classic red and green, with high collar, the neck part with cute fur balls, can keep warm in autumn and winter. Occasions: the dog sweater knitwear is not only suitable for Christmas, but also ideal for daily dressing, birthday, winter dressing. It will be a great gift for your dog/cat. Note: We recommend normal hand wash. Unfavorable chlorine bleaching and prolonged soaking.