The Molecule delivers uncompromising strength where most fall short and has a technical prowess that stands out from the crowd. You may never need another wallet. Sweat-proof, waterproof and tough as nails, this is a workhorse that will give you a run for your money. These wallet puns doing anything for you? Holds 6+ cards and folded bills 3 total slots. Front and back card slots, top slot fits folded cash Premium waterproof, technical fabric. Machine washable. 4.25" x 2.8" x 0.16" (108mm x 71mm x 4mm) 28 grams Material Options 10XD™ - 10X stronger than steel, this ultra-high-molecular-weight-polyethylene is our premium technical offering. A smooth DWR finish repels dirt and water keeping your wallet in like-new condition for years. 3XD™ - Featuring a luxurious matte finish, 3XD is a 3-ply nylon with dirt and water resistance (DWR), and out performs leather in every way. Formerly known as 3PN.