The BlenderBottle® Sport SS 24 oz shaker is built for smooth shakes and cold drinks that last. Made from durable 18/8 stainless steel with double wall construction and vacuum insulation, it keeps beverages cold for hours. It features a threaded lid with a snap closure, locking mechanism, and carrying handle for secure, on-the-go use. The rounded bottom helps reduce clumps, while the included BlenderBall® wire whisk ensures thorough mixing. · 24 oz · 18/8 stainless steel · double wall · vacuum insulation · inner rounded bottom · threaded lid with carrying handle · snap closure with locking mechanism · shaker ball included · powder coated finish · for cold beverages