Twister T4 Tumbler - Standard (1/4" Slots)The Twister Tumbler. Keep the beauty and profile of your flower. These tumblers have a non stick surface to reduce wall crawl and maintain a shorter tumble distance. Made to Last Designed with top tier materials and with you in mind to handle your product with care. These tumblers are made of 304 stainless steel*. The six inch diameter reduces wall crawl, resulting in gentle and efficient flow of product through the tumbler. *Never made with Teflon