Why use Wheat Straw? Wheat Straw is microwave and freezer safe. Wheat Straw can handle hot liquids up to 200 Fahrenheit. Wheat Straw conforms to US Food & Drug Administration guidelines. Wheat Straw is non-allergenic and gluten-free. Wheat Straw is fully compostable/biodegradable through home and commercial composting (composts completely in commercial facilities in 1-2 months). Fully compostable at home within 6 months. Does not take over 500 years to decompose like the awful plastic alternatives! The wheat straw that we use comes from the stalks of wheat plants. The stalks of wheat plants do not store protein, gluten, or allergens.