Clear labels For Home Business: 1.57*1.18 (40*30mm), 230 per Roll Waterproof, Oil and Tear-Resistance Sticker: Suitable for home, office, Business. Good ideal for making barcode, memo, clothing price tags, address label Easy To Use: This label’s compatible with NIIMBOT B21 printer. You could customize the label as you like. No ink or toner required. Notice: The sticker on the side of the roll contains a printing sensor chip. It affects the print if you tear off. Reliable Brand: NIIMBOT is one of the largest printer and label manufacturers,which provides hundreds of millions of high-quality product to the world every year. Each printer and label goes through a strict process to ensure customers receive the product is great.