The base chocolate brown is 100% acrylic antibacterial and odor-resistant yarn, and the hem and neckline's grayish brown is 80% acrylic, 20% wool yarn, hand-knitted. Hand washable. Length: 28cm Chest: 36cm Neck: 25cm Please allow for slight variations as measurements are approximate. Because it's a cable knit, it stretches well in width. This is a handmade item. Please refrain from purchasing if you are concerned about fine details. Dog knitwear, different colors, patterns, and sizes are also available, so please take a look if you'd like. Hand-knitted Knit Sweater Winter clothes