Presenting the tpwtm stainless steel shaker our most durable shaker to date each one is crafted from 100 solid stainless steel so it can withstand anything you can throw at it or in it we say theyre gym proof others say theyre bullet proof but one things for sure the contents of your shake are most definitely safe and secure r r the tpwtm stainless steel shaker is basically an armoured version of our hugely popular tpwtm shaker hard and durable it can be used anywhere without f