UST StarFlash Floating Signal Mirror with Compact, Lightweight Design, Targeting Star and Lanyard for Hiking, Camping, Backpacking and Emergency Situations DIMENSIONS: 2.25 H x 1.3 W x 0.5 D and weighs 0.4 oz EASE OF USE: Ultralight signal mirror with built-in precision aiming system making it ideal for any survival kit VERSATILITY: Features a mirrored surface with vacuum deposition metallization and a targeting star with retro-reflective fabric DURABLE: Virtually unbreakable mirror works in overcast conditions and floats if dropped in the water CONVENIENT: Includes a lanyard for a secure grip while in use or to ensure a solid grip on a backpack or other outdoor gear