We’re a small shop and we read every message. Most replies go out within 24 hours, Monday through Friday (Pacific Time).

By email

Customer service hours

Monday – Friday, 9 a.m. – 6 p.m. Pacific Time.
Closed weekends and US federal holidays.

Send us a message

Prefer to write? Email us directly using the addresses above.

Mailing address

Proof & Crumb is operated by Chaomao Supply Chain Management (Shenzhen) Co., Ltd., Shenzhen, China.
Online-only; no walk-in retail location.

For returns, legal notices or a formal request requiring our registered business details, email hello@proofandcrumb.com with details and we’ll provide it.