Biodegradable Smoothie Paper Straws box 250 x 8", plain black. Hot n Fresh black paper smoothie straws are made from biodegradable materials, perfect for catering use, and they are eco-friendly. These smoothie straws are specially designed to be used for thicker drinks- smoothies, milkshakes, frappes, and much, much more. These premium quality compostable black straws are made to withstand extended use, unlike cheaper alternatives, guaranteeing a reliable and long drinking experience. Order your box of catering quality eco-friendly smoothie straws, 250 box plus UK next day delivery.