【Premium Material】These drinking straws are made of GENUINE premium, silver-colored 18/8 stainless steel.Unlike other cheap straws that look a little yellow with thin wall thickness and low weight, the wall thickness of our straws is 0.5mm. They are very strong, not too heavy or too light. | 【High Quality Polishing】With our polishing technique, the surface of our straws are well polished, very smooth for your lips and hands to touch and it is easier to get the silicone caps on/off than other metallic staws. Our metal straws have smooth rounded edges at each tip,they won't cut your lips or gums by accident even without the silicone sleeves. | 【Safe to Use and Environmentally Friendly】These sustainable straws and the covers are made of food grade stainless steel and silicone,no metal aftertaste, BPA free,lead free, non plastic,non toxic.They are extremely durable,dishwasher safe,washable,rust and scratch proof. One stainless steel straw can last for years and replace hundreds of plastic straws for you. | 【Variety Pack and Shape】the various sizes give you many different cup options you could use them with.8pcs ultra long 10.5 inch straight and bent straws for 24 oz,30 oz,32 oz and 34 oz tumblers,8pcs regular size 8.5 inch straight and curved straws for 16 oz and 20 oz mugs or water bottles.These tall straws are perfect for drinking cold bevarage,cocktail,coffee,iced tea,soda or any other liquid drinks. | 【Awesome Accessories】SILICONE COVERS - They keep your lips from getting too cold or too hot and protect your teeth and lips from chipping.There are eight different silicone top colors to serve as identifiers for your family. SCRUB BRUSHES - With the 2 extra long 9.5" cleaner,you can clean the inside of the recyclable straws from top to bottom easily.PORTABLE CARRYING POUCH – This kit includes a helpful travel case so you can bring some of your reusable straw with you on the go.