Safety and environmental protection - Made from high quality materials to help ensure safety and environmental protection for you and your family Durable and flame retardant performance - Provides reliable sealing and resistance to acids and alkalis - Durable and resistant to aging - Good insulation with flame retardant properties Wide range of applications - Use for protecting solder joints and organizing wires - Suitable for wire grouping and marking as well as color coding - Can reinforce and protect cables such as headphones and mobile charging cables - Helpful for LED filament maintenance, remote controlled aircraft, vehicle maintenance - Can be used with eyeglass frames and DIY headbands Material and performance highlights - Heat-shrinkable tube designed to shrink with heat to seal and insulate - High resistance to chemicals and environmental aging - Insulating performance suitable for electrical and electronic repairs 2-3 practical use scenarios - Electronics repair and assembly: protect solder joints, group and mark wires, and apply color coding for easy identification - Cable protection and organization: reinforce and insulate headphones and charging cables, and tidy LED strip or filament wiring - DIY projects and gear maintenance: use on eyeglass frames, headbands, RC aircraft components, and general vehicle maintenance for added insulation and protection