Fit For T50M: size: 1.57'' × 1.18'' (40 mm × 30 mm), 230 labels/roll, transparent Smart RFID Auto-Detection: Ensures instant size recognition and detection by your printer, reducing misalignment errors, more convenient to use SUPVAN Genuine Quality: Multi-layer synthetic material resists water, oil and high or low temperature; 5-year extended durability High-tack Adhesive: Resistant to detachment for file cabinets, kitchen containers, lab equipment & classroom storage; ideal for business, office, home and school labeling application BPA-free & High safety: Complies with BPA-free standard for baby products, ensuring safety across food, cosmetics, and consumables labeling SUPVAN Labels