Pen refill subscription service
Subject: Never Run Out of Ink Again - Inkwell Pen Refill Subscription!

Dear [Customer],

Introducing Inkwell - the ultimate pen refill subscription service that ensures that you never run out of ink again! Whether you’re a school-goer, a working professional, or an artist, we’ve got you covered.

With Inkwell, you can now forget the hassle of going to the store to buy a new pen or look for a refill. Our monthly subscription service delivers high-quality pen refills straight to your doorstep - hassle-free! And the best part is that you save money and only pay for what you use!

Our Inkwell pen refill subscription service is an affordable and convenient way to keep your favorite pens running smoothly. Plus, with volume discounts and special promotions, you can now enjoy even more savings!

So go ahead, upgrade your writing game with Inkwell! Sign up today and experience the comfort and convenience of ink that never runs out.

Sincerely,

[Your Name]

P.S. Don't forget to share this amazing pen refill subscription service with your friends and family!