A donut-shaped glass vase that’s part of an ongoing collaboration with Lauren Ardis’s cult Berkeley vintage shop Mono-Ha. It started as a mini pop-up, but Avent-deLeon and Ardis had so much aesthetic synergy that Ardis now regularly sends any pieces that are a fit for Sincerely, Tommy. “I love the opening on the side,” says Avent-deLeon. “There’s so much you can do with it, like sticking a plant or flower in so the stem goes all the way around the circle.”