Comes in a transparent case with a safety one-touch cutter. The reel with shaft will rotate around in the case. Increased concentration of fluorescent dying. Colorful fluorescent colors make you look good Transparent case lets you see the remaining charge at a glance. Compact enough to fit in your hand. Comes in a case to keep the thread clean and resistant to water. ● Safe design to prevent injury from the blade! Case Size (W x D x H): 3.7 x 1.9 x 5.5 inches (94 x 48 x 140 mm); Thread Thickness: 0.02 inches (0.5 mm); Thickness = 0.03 inches (0.8 mm); Extra Thick = 0.05 inches (1.2 x 1.2 x 10 m).