SIGG Steripen Bottle Topper
The SteriPEN Bottle Topper is primarily designed to be used in with the SteriPEN Journey or SteriPEN Classic in conjunction with a SIGG water bottle to provide a snug fit when you insert those sterilizers into the bottle to purify the water before drinking it
Fitted for SIGG bottles, this smooth, soft silicone 'adapter' topper could also work with a comparable sized metal water bottle (with a 3 cm external diameter top when the lid is unscrewed) to provide a more comfortable surface for your lips to touch while you're drinking than the metal exterior, and it can protect your lips from the cold metal if it's very cold outside or if the contents contain ice-water.
Made with 100% food-grade silicone, this pliable addition transforms metal bottle mouths into soft, cushioned surfaces immune to the extremities of heat or cold. SteriPEN Bottle Topper fits most narrow-mouth SIGG™ brand bottles. Available in four colors, the Topper weighs only 8 grams (0.28 oz.) Sip in Comfort . . . and purify water as needed with SteriPEN Journey or Classic.