Twinkle Star 10 x 25 Compact High Powered Binoculars for Adults (BAK4,Green Lens) Lightweight Folding Binoculars for Clear Bird Watching Kids Sport Game Concert Theater Opera Surveillance High-Powered Eyepiece Binocular: Powerful 10x magnification allows for detailed observations of distant objects. 25mm objectives gather more light than smaller-objective models, while ensuring the optical tubes are thin to maintain a slim form factor. Durable Construction: Corrosion-proof plastic housing. Rubberized ergonomic chassis design offers a comfortable and slip-resistant grip. Fully multi-coated optics and BAK-4 prisms ensure bright views. Compact Size & Light Weight: 4.5x 4.3x 2.1Compact roof prism light path keeps the optical tubes thin for easy handling. 1.7 lb lightweight binocular are convenience for carrying. Widely Use: Great for kids and adult,fits for travel, bird watching, sports game, concert watching, hunting and so on. 100% SATISFACTION GUARANTEE: If for any reason you're not 100% SATISFIED, please let us know and our customer service team will help you RETURN OR REFUND