Kynup Metal Reusable Drinking Straw, 4 Pack Portable Collapsible Straws with Case,18/10 Stainless Steel Metal Travel Keychain Straws, Adjustable Length up to 23cm, 6mm Diameter, Cleaning Brush

【Portable Collapsible Design】- The telescopic length of the metal straws ranges from 11cm to 23cm. Each Kynup metal drinking straws comes with individual aluminum alloy cases. The straws can be placed in a keychain case after shrinking, only measuring 11cm. The travel straw with case is small and convenient to carry. It is very portable for travel and households., fits in your pocket, purse, backpack, or briefcase. You can also hook the straw case on your belt loop.
【Easy to Clean】- Every drinking straw is designed with 1 collapsible metal cleaning brush, which is long enough to wash the whole telescopic straw with case. The collapsible cleaning brush can be stretched to 24cm, making cleaning the metal straw get easier and faster.
【4Packs Included】- This reusable collapsible straw includes 4 stainless steel reusable straws, 4 metal cases, 4 keychains, and 4 silicon mouthpieces. Make your life easier.
【Eco-Friendly Materials】- This collapsible straw is made of high-quality 18/10 stainless steel. It replaces disposable straws, paper straws, and plastic straws to reduce environmental pollution and marine pollution.
【Premium Polishing & 4 pcs Silicone Lips】- The surface of the metal straw set was well polished, and very smooth to adjust the length of the reusable straw. A soft silicone lip that covers the metal drinking straw can protect your teeth and lips from extremely hot and cold drinks.