The Bolt™ Won't Roll. The Stanley® 34oz Bolt™ Water Bottle has a a unique "wont roll" design and a widemouth opening for ice or easy cleaning. With durable polycarbonate, the Bolt™ won't scratch, stain or break. All Stanley® products are backed by a lifetime guarantee. Features: Durable Polycarbonate Won't Break, Scratch or Retain Odors Non-Slip Grip Widemouth Opening The Bolt™ Won't Roll Lifetime Warranty