1. What does Lifetime warranty mean?
A lifetime warranty is a warranty against defects in materials and workmanship that has no time limit to make a claim, rather than a warranty that the product will perform for the lifetime of the buyer (although Tyvek® is an extremely durable material that can last years of use).
Material & Function
1. Is this material strong?
Yes, super strong.
2. Is this material waterproof?
3. Can I put the Tyvek wallet in pocket with keys?
Yes, if not under too much pressure. The keys may cause scratches though.
4. Is it normal that the material shows wrinkles?
5. Can I draw on Tyvek wallet?
Yes, the FREE art markers are for you to make your art! However, please notice that once you made the painting, it becomes permanent and can not be wiped off.
For complete information about Tyvek®, please refer to Link.