regular size reusable straws for 30 oz tumbler & stainless steel straws bundle - 8 silicone straws + 4 silicone coasters + 2 brushes + 2 metal straws - reusable straws extra long + 1 storage pouch kitchen up regular size silicone straws for 30 oz tumbler yeti & stainless steel straws. <p> the length of the silicone straws and metal straw- approx 10 inch. <p> inner diameter of the straws - 0.20 inch. <p> outside diameter of the straws - 0.27 inch.