Features: Enhances your stargazing experience with our eyepiece and objective lens storage box, designing to protect your telescope optical from dirt, dust, and scratches, ensuring they remain as pristines as new. Featuring a adjustable telescopic design, this storage box accommodates various lens size, offering flexibility and convenience for all your optical needs. For astronomy enthusiasts, photographers, and outdoor adventurers who require reliable protections for their valuable optical equipment during transport and use. Perfect for astronomical observations, travel, home storage, or scientific experiments, this box ensures your lens is clean and organized, ready for any occasion. Crafted from plastic, this lightweight yet durablity storage solution is easy to carry, making it a essential accessory for anyone passionate about maintaining their optical gear. Specifications: Component:Plastic Size:Approx.36x63mm/1.42x2.48inch Size:Approx.44x110mm/1.73x4.33inch Product use: eyepiece objective lens magnifier storage box S model is suitable: eyepiece with diameter less than 36MM can be installed. L model is suitable for: eyepieces with a diameter of less than 44MM can be installed. Package Includes: 1pcs Storage Box note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.