A few thoughtful small details—a built-in weight indicator on the handle (which goes from clear to red when you’re over 50 pounds), a retractable bag strap that can hold a purse while the trolley corrals a weekender or tote, and an eye-catching ridged design—helped propel Béis to TikTok fame. Dimensions: 9 inches x 12 inches x 4 inches (small), 11 inches x 15 inches x 4 inches (medium), 17 ½ inches x 12 ½ inches x 4 inches (large) 9 inches x 12 inches x 4 inches (small), 11 inches x 15 inches x 4 inches (medium), 17 ½ inches x 12 ½ inches x 4 inches (large) Weight: 1.1 pounds