COMPATIBILITY: Perfectly tailored for NL Pure binoculars enhance the functionality of your equipment. PROVIDES COMFORT: Guarantees you stay comfortable, even when observing for long periods. EASILY ADJUSTABLE: Can be adjusted so that your view is lined up perfectly. STABILITY: Provides significant stability so in most instances you will not need a tripod for viewing over long periods of time. SWAROVSKI AUTHORIZED DEALER: Includes USA Manufacturer Warranty