These colorful reusable straws are made of stainless steel.Unlike other straws with a wall thickness of only 0.35mm, the wall thickness of our straws is 0.5mm.They are extremely durable,dishwasher safe,washable,rust and scratch proof.With our technique, our metal Straws have more beautiful rainbow color,and the surface of our stainless steel straws are very well polished, cool looking and very smooth for your lips and hands to Press. All the silicone tips are made of food grade materials.They are removable and tasteless,even when drinking hot beverages.You will not feel metal in your mouth with them.They can 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 identify which metal straw is yours. SCRUB BRUSHES - With the 4 extra long 9.5inch cleaner,you can keep your recyclable straws clean with very little effort.PORTABLE CARRYING CASE- This set includes a slim travel pouch so you can bring some of your eco friendly straws with you on the go. The various sizes give you many different cup options you could use them with.8pcs ultra long 10.5 inch straight and bent metal straws for 24 oz,30 oz,32 oz and 34 oz tumblers,8pcs regular size 8.5 inch straight and curved metal straws for 16 oz and 20 oz mugs or water bottles.These tall straws are perfect for drinking cold bevarage,cocktail,coffee,iced tea, or any other liquid drinks. These reuse straws and the covers are BPA free,no metal aftertaste,non toxic. One reusable straw can last for years and replace hundreds of for you.This is a small change with a huge impact. colour: magic color Material: Stainless Steel Package Contents: 4 * 6x215mm straight pipes Straw 4 * 6x215mm elbow pipes Straw 4 * 6x266mm straight pipes Straw 4 * 6x266mm elbow pipes Straw 1* cloth bag Only the above package content, other products are not included. Note: Light shooting and diff