Eighteen-inch reusable drinking straws come in two varieties: flexible polyethylene and rigid Plexiglas®. These straws can be heated with a heat gun and reshaped as desired. The rigid, larger 1/4 inch diameter straw is ideal for soups. The flexible polyethylene straw has a 3/16 inch diameter opening.
White flexible polyethylene, 3/16 inch diameter opening, package of 10 #CSP 1133 $10.95 Clear rigid Plexiglas, 1/4 inch diameter opening, package of 5 #CSP 1136 $19.95 Reusable Drinking Straws Specifications:  | Length | 18 in. | |