Krispy Kreme and Fruity Pebbles are doing a mashup.

The two brands have collaborated on a classic ring doughnut coated with Fruity Pebbles Milk flavored glaze. But if you want to try this new doughnut, you don’t have much time.

The doughnut is available for a limited time this Thursday through Sunday, April 3 – 6.

“You might say that we’ve reached a new glaze innovation ‘bedrock’ with Krispy Kreme x Fruity Pebbles Milk Original Glazed Doughnuts,” said Dave Skena, Krispy Kreme Chief Growth Officer, in a press release. “Every bite of this new, melt-in-your-mouth twist on our Original Glazed will have you thinking you just put down the cereal spoon. So, don’t miss out, these doughnuts are here for only four days.”

Krispy Kreme x Fruity Pebbles Milk Original Glazed Doughnuts are available in-shop and for pickup or delivery via Krispy Kreme’s app and website.

Customers can score them individually and by the dozen. Guests can get a dozen of these limited-edition doughnuts for just $5 with the purchase of any dozen at regular price while supplies last. Customers ordering online can use the promo code “PEBBLES.”