Describe: Whisk the Twin Prof with an ergonomic design to keep you comfortable every time you use it. Safe with dishwasher. Preserved in dry, cool place. Use & Storage: Use: Specialized to beat eggs. Preservation: Use with dishwashers. Encourage product hygiene by hand. Do not use toilet products. Keep in dry places. Brand Information: Brand: ZWILLING. Material Stainless steel. Products are not warranted.