COS US deals and cashback

United States COS sale, student and newsletter activity.

Last verified: 2026-08-11T23:50:00.951Z

Current COS US offers

10% off the first order with newsletter signup

With the US sale ended, COS currently offers 10% off an eligible first order through newsletter signup.

Eligible first US order; signup, product and offer exclusions apply · COS US official sale status page · Verified 2026-08-11T23:50:00.951Z

10% off for verified students

US students with a valid Student Beans verification can receive 10% off eligible COS purchases.

Eligible US students; valid on full-price and sale items but not combinable with other offers · COS US student discount · Verified 2026-08-11T23:50:00.951Z

COS US cashback rates

Top Cashback: 4%
RebatesMe: 4%
chirpyest: 2.25%
Rakuten: 2%
BeFrugal: 2%
ExtraBux: 2%
55Haitao: 2%
MaxRebates: 2%
Kudos: 1.95%
FatCoupon: 1.6%
Mr. Rebates: 1%
GoCashBack: 1%
Price.com: 1%
Rove Miles: 1.7 miles-per-dollar
Rakuten (Amex MR): 2 points-per-dollar

Cashback is conditional and may change. Confirm the current rate and exclusions before activating.