5 Cobalt from Wrigley. 5 is Wrigley's newest gum. Cobalt is a cool peppermint flavor - subtle and delightful. Wrigley's 5 sugar free gum delivers long-lasting mouth-freshening and a unique experience. The sleek 5 envelope created the next great packaging enhancement for stick gum. Each distinctive envelope has an eye-catching design and holds 15 sticks. Try Wrigley 5 Cobalt gum today and see why people rave about 5 chewing gum. Available in 10 ct box. 15 sticks per pack.