Compatible: 12.13" length x 0.375" wide , 10 counts long clear straws plus one cleaning brush. Compatible with stanley straw replacement 40 oz 30oz. Perfect for stanley cup accessories. Fits Perfectly: Beonsky protective silicone boot sleeve is specially design for Stanley 40oz Quencher Adventure and IceFlow 20oz 30oz, also fits other brands which have the same diameter of the bottom.Please measure the bottom of the bottle to make sure it fits the boot before you purchase Food Grade Material: Made of the same food grade Tritan material as the prototype, BPA free, odorless, hard, thick and reusable. Dishwasher Safe. Widely Applications: It is not only suitable for Stanley cups, but also for other brands. Please confirm the size before purchasing. GuaranteenIf, for any reason, we will issue you a full refund or an exchange!