Description This water soluble bobbin features innovative water sensing technology, ensuring instant activation of inflatable life jacket parts when exposed to water. Designed with a bright orange color, the auto inflator bobbin stands out for effortless location. It keeps reliable marine safety, making it ideal for boating, fishing, and swimming adventures by preventing accidental triggers outside water environments. Features -Color:Multi -Material:Plastic -Size:1.90X1.90X1.05cm/0.75X0.75X0.41in -Rapid water activation: utilizing water sensing bobbin technology, these inflator tablets ensure your life jacket responds immediately upon water contact, providing critical safety for boating and sailing emergencies -Reliable safety valve: each safety valve tablet functions as an emergency inflator part, automatically balancing internal and external pressure to prevent overinflation, keeping you comfortable and secure during outdoor water activities -Universal replacement: designed as a universal bobbin and replacement bobbin, these orange tablets are compatible with most inflatable life jacket parts, making rearming and maintenance simple for any user -High visibility design: the bright orange water soluble tablet acts as a life jacket accessory, ensuring easy identification in lowlight and nighttime conditions, improving your overall marine safety -Smart water sensitivity: featuring a water activated bobbin mechanism, this auto inflator cartridge minimizes accidental inflation in nonwater environments, increasing your confidence and protection while outdoorsPackage list: 2 x Life jacket Bobbin