Mr-Label (40 Sheets, 1200 Labels) Assorted Colors Self-adhesive Cable Label - Waterproof | Tear Resistant | Durable - with Online Print Tool - for Laser Printer ATTENTION: This label is on A4 sheet and for laser printer only. If you just have inkjet printer, please go to: https://www.amazon.com/dp/B01HB59GQK it is standard letter sheet and works with both inkjet and laser printer. For someone who is not good at A4 sized sheet, please go to: https://www.amazon.com/dp/B01HEB51A6 it is standard letter sheet and works with laser printer only. FREE CONVENIENT PRINT TOOL: For heavy user, it will accelerate your productivity greatly, as you can print a mass of labels with various contents simultaneously. Meanwhile, for your convenience, Mr-Label prepare 30 device icons for most common used electronics and computers, (Laptop, Smartphone, Printer, Smartwatch, iPad, Power Bank, Camera, etc.). You can insert the icon on one side, and leave the other side for device name. ALL WEATHER USE: They are waterproof, tear-resistant, oil-proof, flexible and self-adhesive. Unlike the traditional label which may fade or be damaged easily, they stay in good shape and holding fast in outdoor use. COST EFFICIENT: It is difficult to find a durable and versatile cable marker in attractive price, however, Mr-Label meets the most, they cost efficient and apply easily to attach mass of new labels or replace bunch of old labels. ASSORTED COLORS: Organize your different groups of cables with different vivid colored labels, easy to identify the kind of labels at a glance. E.g. Power cables in Yellow, Security cables in Red, Media cables in Blue, Lighting cables in White, Telecommunications cables in Green.