Products
Caps
Keystone manufactures 15 mm - 120 mm metal caps in 12 stock colors as well as custom colors and decorations. We use 75 lb. tinplate steel or aluminum for all caps. Yes, metal caps seal equally well on both plastic AND glass containers!
Liners
Trying to choose a liner? We work closely with our liner suppliers and understand the factors that should be considered. Let Keystone Cap help you navigate the process. We cappily offer assistance!
We worry about your caps, so you don't have to.
"Keystone Cap Company has been a reliable and valued partner for us. Their customer service is consistently responsive, and the quality of their products exceeds our expectations every time. The team is easy to work with, attentive to details, and committed to delivering a great overall customer experience. Keystone truly stands out as a dependable supplier we can count on."
— Mike B.
"Our company has been purchasing metal lids from Keystone Cap for many years, and our experience has consistently been excellent. Their timely responses, quick confirmation of ready dates, and dependable ability to deliver high-quality products on time are truly appreciated and keep us coming back. On top of that, the Keystone team is some of the friendliest people you’ll ever work with!"
- Kelsey L.
"I’ve been working with Keystone for a few years now and can’t recommend them enough. Their knowledge of the industry, willingness to go the extra mile and service from order to delivery is outstanding. Whether we need a few cases or thousands of caps, each order is treated with equal importance. Their commitment to domestic sourced materials and made in the USA with competitive market values is important to us as a customer. Keystone is a partnership we are excited to have."
- Tracy F.
