Outdoor Pure Copper Whistle Children's Survival Metal Treble Training Outdoor Survival and Rescue Equipment 1Pcs

•Name: Multifunctional brass whistle

•Material: High quality brass

•Type: Industrial retro style

•Specification: 48/5056/76*10mm

•Purpose: Survival, bottle opening

•Color: Copper

•Features: The whole is made of high-quality brass (including copper rings), with a novel design, fashionable and compact, full of materials and exquisite craftsmanship.It can be used to survive at critical moments, and it can also be used as a pendant and bottle opener in daily life.

•Material characteristics: The interesting thing about brass is its color process that changes due to oxidation, and different colors will have different visual aesthetics.After oxidation, it can be polished with sandpaper or wiped with toothpaste, which can return the color of the bronze to its original brand-new state.

•Scope of application: outdoor survival, self-defense and life-saving, pendants, bottle opening, EDC player collection, etc.