The phrase "a solid premium" is correct and usable in written English.
It can be used to describe a high-quality or substantial premium, often in the context of insurance, products, or services.
Example: "The new insurance policy offers a solid premium that provides extensive coverage for all potential risks."
Alternatives: "a substantial premium" or "a strong premium".
But FileNet's chief executive, Lee D. Roberts, called it "a solid premium over historical trading prices of our stock".
At market prices, the sale of the government stake would fetch roughly 1.4 billion euros ($1.4 billion), but interested parties would be expected to pay a solid premium over that amount.
It's incredibly light and thin while still feeling like a solid, premium device.
The Lumia 930 has an aluminum unibody design, giving it a solid, premium feel, softened by a plastic rump that comes in a range of vivid colours — including bright orange and the bright green variant pictured below (the green is considerably brighter than it appears in the photo).
The HTC One uses a unibody aluminum frame sourced from custom-grade aluminum; the choice of material was intended to give the device a solid, premium feel in comparison to smartphones made with a plastic shell.
Despite being very light, the Tablet Z has a remarkably solid, premium feel to it.
"There is probably a solid 20% premium in something like the (W rapper versus a corporate glass box," — both in construction costs and rents, Geller said.
Everything feels solid, premium, and looks good too.
Joel Ewanick, Hyundai's vice president of marketing, says the car will appeal to informed consumers who don't necessarily care as much about brand image as they do about getting a solid vehicle with premium amenities.
But it's a solid smartphone with a premium feel and HTC's trademark thoughtful detailing.
Google's first Pixel was a solid entry in the premium smartphone market, and reported specs for this one, including slimmer bezels for the display around front, make it seem like a solid successor.
