Tested on most popular black and white laser printers to guarantee trouble-free printing. Label templates are referenced in most popular software packages. The adhesive is designed to withstand the high heat of laser printers and the stripped edge prevents adhesive leakage. Brilliant white with rounded corners and no toner flaking. Sold in individual packs of 100 sheets of labels.Tested on most popular black and white laser printers to guarantee trouble-free printing. Label templates are referenced in most popular software packages. The adhesive is designed to withstand the high heat of laser printers and the stripped edge prevents adhesive leakage. Brilliant white with rounded corners and no toner flaking. Sold in individual packs of 100 sheets of labels.