Click Start Shopping to earn 10% Cash Back at Sinclair Institute.
Complete your purchase. If you use a coupon, your discount will be applied during checkout.
Your cash back will be added to your Extrabux account in 1-7 days.
Sinclair Institute Cashback
Sinclair Institute is a leader in natural and adult sexual health, serving more than 2.5 million customers since 1991. Famous for its award-winning sex education video series, Sinclair has been featured in major market publications
Get Cashback easily
- Join for FREE with an email and password
- Search for a store
- Click the "Start Shopping" button or choose a coupon
- Complete your purchase at the store's website
- Cash back will be added to your Extrabux account!