Simplicity Acrylic Turtleneck British Style Classic Striped Knit Dogs Sweaters - Various Sizes and Colors Dimension: 14'' back length. Measure your dog from the base of the neck to the base of the tail. Material: 100% long fiber acrylic. Acrylic is lightweight, soft, and warm, with a wool-like feel. Style: bold stripes with a classic turtleneck design. Function: high resistance to static and pilling; stained with eco-friendly dye material. Occasion: perfect for everyday walk and weekend parties. Make your pet stand out from others!