CANOPUS Mixing Cups for Epoxy and Resin, Measuring Cups, Graduated Paint Mixing Cups, Plastic Mixing Cups for Automotive and Art Projects, 10 Ounce (1/2 Pint), 300 cc (Pack of 25) : Amazon.ca:
10oz. Plastic Graduated Mixing Cup — Coast Fiber Tek
Merton's Fiberglass and Marine Supply: Disposable Paper Graduated Mixing Cups