The Butler Creek 70202: Blizzard scope covers offer unparalleled precision and convenience with Butler Creek\'s innovative Flip-Open design. This design is characterized by its silent, spring-loaded operation, along with clear windows for expedient target acquisition at close to medium ranges. Exceptionally user-friendly, tabs on both sides of the lid can be effortlessly opened by both right or left-handed shooters. Blizzard lenses, crafted from optical-grade polymers, ensure optimum clarity and light transmission - surpassing all other see-thru covers in quality. Tested to be reliable even in extreme conditions, Blizzard scope covers provide a weather-resistant seal around both objective and ocular lenses for utmost lens protection.