For use with Helen"s Asian Kitchen 10-inch Bamboo Steamer (sold separately) * Ring allows you to use your bamboo steamer directly on an uncovered stock pot or Dutch oven; steam and stir fry in your wok simultaneously * Made from lightweight, durable aluminum * Helps cooks avoid having to steam in woks - which may cause damage to your wok * Wash by hand for quick cleanup; measures 11-inches in diameter