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Our magnets are specially designed not to arc through their rounded shape, which means they are 100% safe to use in the microwave.

We all know that you can’t and shouldn’t put forks in the microwave, either because we’ve been told not to or because we found out the hard way what happens when you do. However, it’s a complete myth that you can’t put any metal in microwaves. Here’s why:

Metal reflects waves, which is why the walls of your microwave are made out of special metal – so the waves can bounce around inside your microwave, where they belong. Sometimes, however, when you combine lots of pieces of metal together (like the prongs of a fork) or metal with very thin or sharp edges, this can cause sparks to fly. This is due to something called arcing² – when electrons flow from a more negatively charged surface to a less negatively charged surface, if you want to get scientific.

All that to say, Duo Cover specifically designed our magnet to be 100% microwave-safe so you can have total peace of mind.

All microwaves are basically steamers already. They excite the H₂O molecules in your food, generating steam — which then rises and pushes against your Duo Cover’s MoistureLock™️ knob. This then creates a tiny gap allowing the water you add to the top of your Duo Cover (if you want to – this step is optional) to be slowly added to your food, keeping it moist. In other words, Duo Cover simply traps the moisture your microwave already creates, producing steamed meals that taste much better than when you use your microwave without it.

Duo Cover is 11” in diameter and fits most microwaves, including small models.

Standard and Large Microwaves – Height (in.) 12" - 15" / Width (in.) 21" - 25"
Over-the-Range Microwave – Height (in.) 17" 10" (low profile) / Width (in.) 30" 24" (compact)
Built-In Microwave – Height (in.) 17" - 22" / Width (in.) 24", 27" or 30"

11 inches wide, 1.3 inches high (when collapsed) and 4.5 inches high (when expanded). Fits most plates!

The 1 year warranty covers manufacturing defects, such as damage during shipping and product irregularities.

We offer a 30-Day Happiness Guarantee on all Duo Covers. If you're not 100% happy with your Duo Covers, we will gladly help you with a return. We want you to be happy!

Yes, Duo Cover is 100% plastic free and made from FDA-approved Silicone and microwave safe magnets.

No! In fact, some studies have shown that microwaved food is even more nutritious than regular food. Because it cooks so quickly, the food has less time under heat, leading to less nutrient loss. I swear we’re not just making this up to sell Duo Covers. For more information, check out these studies from the American Dietetic Association and Critical Reviews in Food Science and Nutrition.

FAST! We ship all orders within 24-48 hours of receiving them! On average our product is delivered within 3-5 business days in the United States. For orders outside the USA, please allow 7-21 business days for your order to arrive. Delivery times will vary based on country.

Depending on your country, it is possible that you will be charged one or more of these fees when you receive your order.

Please note that all international orders are charged in US dollars. International charges are based on the standard exchange rates between your currency and the US dollar at the time of purchase or refund.