Prelaunch Dec 1, 2026

Keeping your drinks
protected.

Snap it on. Keep it covered.

Each cap helps keep spills, bugs and debris out. Not an anti-spiking device. No cover can stop everything, so keep an eye on your drink.

Snap-on can caps, 3D printed to order in Illinois. Made by CanCapperZ LLC, dba Hey SI.

  1. PrelaunchDec 1, 2026
  2. Official launchJan 1, 2027
Get notified See the lineup Buy — coming soon
Product render: orange StandardZ snap-on cap on a plain 12 oz can Product render

An AI-run microbusiness — the same CanCapperZ LLC team behind Hey SI. Bots help with design and shop work; a person prints every order.

How it works

Three moves. That’s it.

No tools, no twisting. StandardZ fits common 12 oz cans (202-size top).

  1. Snap it on

    Press the cap over the can rim. One press and it’s on.

  2. Keep it covered

    Between sips, the cap helps keep spills, bugs and debris out. Not an anti-spiking device.

  3. Pop it off, reuse it

    One pull and it’s off. The keyring tab rides on your keys until the next can.

The lineup

Pick your cap

Hero product first, then the upgrades. Prices are planned launch prices — nothing is for sale on this site yet.

Product render: orange StandardZ cap with keyring tab Product render

Hero · 12 oz cans

StandardZ

Everyday snap-on cap for standard 12 oz cans. Keyring tab rides on your keys between drinks. Planned from $4.99.

Buy — coming soon
Product render: ClickZ can cap with twist-lock socket Product render

With MiniZ pieces

ClickZ

Snap-on cap with a twist-lock socket. Drop in a MiniZ figure, twist about 40°, and it clicks. Planned from $9.99. Small parts, not for kids under 12.

Buy — coming soon
Product render: Hey SI MiniZ figure on twist-lock base Product render

SI team figures

MiniZ

Eight cartoon SI team figures that twist-lock into ClickZ. Collectible desk and can figures for adults. Small parts, not for kids under 12.

Buy — coming soon
Product render: CharmZ SI robot marble charm Product render

Charms

CharmZ

Little charms (like SI the robot) for your keys or your cap’s keyring tab. Planned from $3.99. Small parts, not for kids under 12.

Buy — coming soon
Product render: SpinZ spinner can cap Product render

Spinner top

SpinZ

Flick the top; the base stays on the can. Plastic-on-plastic spin, a few seconds from a good flick. Planned from $5.99. Small parts, not for kids under 12.

Buy — coming soon
Product render: CupZ snap-on lid for party cups Product render

Party cups

CupZ

Snap-on lid for 16 oz party cups, with plugs for the sip slot and straw hole. Helps keep spills, bugs and debris out. Planned from $5.99.

Buy — coming soon

Why CanCapperZ

Small cap. Real thought.

What you get, stated plainly.

One-press snap

Snaps over the rim in one press and pops off in one pull.

Rides on your keys

The StandardZ keyring tab keeps the cap with you between drinks.

Printed to order

3D printed in PETG in Illinois. You may see fine layer lines.

Easy care

Hand wash warm, air dry. Not dishwasher-safe.

Make it yours

ClickZ takes twist-lock MiniZ figures; CharmZ hang from the keyring tab.

Honest claims

No fake reviews, ratings or stock counts. No spill-proof or safety guarantees.

Get notified

Be first at prelaunch

Prelaunch opens Dec 1, 2026. Official launch is Jan 1, 2027. Leave your email and we’ll let you know when caps are ready to order.

No spam. We’ll only email about the CanCapperZ launch, and you can ask to be removed anytime. The button opens your email app with a note to cancapperz@gmail.com — just hit send.

About

About CanCapperZ

Snap-on can caps, 3D printed to order. Created by CanCapperZ LLC, dba Hey SI.

It started with a simple question: what’s the easiest way to cover an open can? Our answer is a cap that snaps over the rim in one press, pops off in one pull, and rides on your keys in between. We design with help from AI tools, then print each order ourselves in PETG in Illinois.

Prefer agent workflows and vibe-coding kits? That’s our software side at heysi.dev — same LLC, different shelf.

What we claim (and don’t)

  • Helps keep spills, bugs and debris out.
  • Not an anti-spiking device.
  • No spill-proof, leak-proof, or safety guarantees.
  • No fake reviews, ratings, or stock counts on this site.

FAQ

Straight answers

No hype.

What does a CanCapperZ cap do?

It snaps over a can rim and helps keep spills, bugs and debris out. Not an anti-spiking device. No cover can stop everything, so keep an eye on your drink.

What sizes do you make?

StandardZ is for common 12 oz cans (202-size top). StandardZ Slim is planned for slim 8.4 oz cans. CupZ is for 16 oz party cups. Always check the product page for fit notes before you buy.

What are they made of? How do I clean one?

PETG plastic, 3D printed. You may see fine layer lines. Hand wash warm, air dry. Not dishwasher-safe.

When can I buy?

Prelaunch opens Dec 1, 2026, and the official launch is Jan 1, 2027. Buy buttons here stay “coming soon” until a live store is verified. We’ll link the shop here only when it’s open.

What’s the “AI-run microbusiness” angle?

CanCapperZ LLC, dba Hey SI, runs with a small human print shop and a team of AI agents that help with design, ops, and marketing. A person still approves money, legal, and anything sent under a person’s name.

How do you say CanCapperZ?

It’s written CanCapperZ and said “CanCappers.” Product names keep the Z in writing (StandardZ, ClickZ, CharmZ, MiniZ, SpinZ, CupZ) and drop it when spoken (“standards,” “clicks”).

Contact

Say hi

Questions about caps, wholesale, or the launch? Email us. We read every note; response times vary while we print and prep.

cancapperz@gmail.com