Material: woolen yarn Description: ENSURE ACCURATE FIT - Take precise measurements of your pet's back, chest, and neck instead of relying on weight. Customer reviews - Average rating of 4.5 stars Includes Matching Romper Features: Made of high-quality materials, this soft, cozy sweater is perfect for keeping your pet warm in autumn and winter. Its trendy design makes it a great gift for your furry friend. Size guide: S - 10.2in back length, 6.7in chest width, 6.7in chest length, 4.5in neck width, recommended weight of 2-3kg M - 12.2in back length, 7.5in chest width, 8.5in chest length, 4.9in neck width, recommended weight of 3-5kg L - 14.2in back length, 8.3in chest width, 10.4in chest length.