According to information available from Mysigg.com, SIGG products are generally designed with durability and convenience in mind, but not all items are dishwasher safe. Many SIGG water bottles feature a special coating that may be affected by high temperatures and strong detergents found in dishwashers. It is often recommended to wash these bottles by hand using warm water and a mild detergent to maintain their quality and longevity. Additionally, certain SIGG accessories might have specific care instructions that are best followed for optimal performance. For the most accurate information regarding a specific product's care instructions, it is advisable to refer to the product details provided on the current Mysigg.com web page. This will ensure that users protect the integrity of their SIGG products while enjoying the benefits they offer.