Have you tried using glass straws? I have and I love them.. The reason they are my favorite type of straw is because you can see through them so you know if they are clean or not... they are not cold to the touch without having to have the silicone tip & lastly they are pretty to look at
Amazon.com: NETANY 12-Pack Reusable Glass Straws, Clear Glass Drinking Straw, 10''x10 MM, Set of 6 Straight and 6 Bent with 4 Cleaning Brush













