The 19A33 Numbered Vests is ideal for practices and other training sessions. The 19A33 Numbered Vests are machine washable safe because they are made out of 100% nylon micro mesh. The sizes available are youth and adult. The 19A33 Numbered Vests are available in red, orange, royal blue, and yellow. There is also a carry bag included with the 19A33 Numbered Vests, which increases the ease of storage and transportation. A pack of 19A33 Numbered Vets consists of 50 vests numbered from 1-50.