To-Go Ware - Eco-Friendly Reusable Bamboo Knives - Set of 5 To Go Ware bamboo knives are heat and stain resistant and won't impart or absorb flavors Each knife is lightweight, strong and long lasting and dish washer safe. These Bamboo knives are finished with a top grade, food safe wood oil. Bamboo is one of the most renewable resources in the world and is a natural alternative to wood. CPSC Tested and Approved, contains no Pthalates or BPA.