Others supply snow chains in a sealed bag and you may only be charged if you break the seal.

After three or four turns the seal was broken and I heard the final sigh of atmosphere being expelled into the airless lunar environs.

Carlo nestled the beer in his lap and pinged the ring-pull, not breaking the seal.

She'd broken the seal with unsteady fingers, but her fears were unrealized; the contents did not compromise her in any way.