【ZTOYL】 Brass Whistle High Decibel Portable Outdoor Whistle Hiking Camping Life-Saving Whistle Referee Training Whistles Outdoor Gadgets

Features:The whole made of high quality brass (including copper ring), novel design, fashion small, full of materials, exquisite technology.After polishing through advanced pickling process, can effectively protect the whistle, not easy to scratch, and oxidation resistance.The interesting thing about brass is that it changes color process due to oxidation.Scope of application:outdoor survival, defense life saving, EDC player collection, etc.Specification:Material: BrassDimensions :(L)41.5mm×(diameter)10mm×(wall thickness)1mm(2x0.39in)Packaging: Single opp packPackage includes:Brass Whistlex1Note:1.Due to the different monitor and light effect, the actual color of the item might be slightly different from the color which is showed on the pictures.2.Please forgive 1 cm 0.39 -3 cm 1.18 measuring deviation due to manual measurement.