DYMO Industrial Labels, 1/2", Permanent Polyester, Black on Clear, 622289 Industrial-strength adhesive resists moisture, extreme temperatures, UV light and more, so custom stickers wont curl or fall off UL recognized material for virtually any industrial labeling application Thermal transfer printing technology so label text won't smudge, smear, or fade 1/2" label width is easy-to-read and meets OSHA, ANSI, and ISO standards Easy-to-peel split back design makes applying custom labels quick and easy