[The tumblers are made from vacuum-insulated double walled stainless steel and are extremely durable The only drink lid that uses the power of magnets to keep your water beer or favorite drink on lock A durable coat of color won’t fade peel or crack through extended field use and also provide additional grip Double-wall vacuum insulated stainless steel travel cup keeps your drinks cold or hot for 6-12 hours Easy to clean hand wash is recommended. Wash with soap & water. Do not use any chemicals. Dishwasher safe.]
