Streamline mailing tasks with these large-capacity address labels, designed for fast, reliable printing. Featuring Seiko quality, they produce crisp, legible text and securely adhere to envelopes with a strong, permanent adhesive. Compatible with Seiko SLP 100, 200, 400 series, SLP EZ30, and Dymo LabelWriter 300 and 400 series printers for seamless integration into your workflow.