Compact folding magnifier on a key ring designed for on the go inspection. The 30 mm lens provides 8x magnification for close up viewing of small details, while the folding design protects the lens when not in use. Waterproof construction adds durability in various environments, making it a practical pocket tool for collectors and hobbyists alike. Key benefits Hands on magnification when you need it: 8x magnification helps reveal fine details on stamps, postcards, and coins. Portable and convenient: folding mechanism with a key ring makes it easy to carry and store in a pocket, bag, or on a set of keys. Lens protection and durability: the folding design shields the glass from scratches and damage during transport. All weather reliability: waterproof capability supports reliable use in damp or outdoor settings. Quick accessibility: attach to a key ring for immediate access whenever closeup viewing is required. Key attributes Magnification: 8x Lens size: 30 mm Design: folding magnifier with key ring for portable use Waterproof: yes Compatibility: suitable for inspecting stamps, postcards, and coins Size and portability: pocket friendly for everyday carry Performance: provides clear, detailed viewing of small text and features Use cases Stamp collecting: examine tiny print, watermark details, and inscriptions on stamps without handling or scratching the surface. Coin inspection: inspect mint marks, date codes, and fine lettering for authentication and cataloging. Postcard details: read small print, photographer credits, or micro details on postcard designs and backstack notes. On the go viewing: use during travel or field work where a compact magnifier can quickly verify details before storage or . Notes The listing specifies a folding, waterproof 8x 30 mm magnifier suitable for stamps, postcards, and coins. Material details are not specified in the listing; the description focuses on functionality, size, and performance as described.