Expected release date is on August 15, 2021.IMPORTANT NOTE: Orders containing pre-order items will be held until all items are released and available to ship together. There is also a slight chance that items may be out of stock during the pre-order period.. What's Inside. Component: 1 BTS Butter Pouch. Material: (Outshell) PVC, (Lining) 100% Nylon. Size: 165mm x 155mm x 70mm