Cupholder Friendly: 24oz and 30oz bottles fit in most standard cupholders, and double wall insulation keeps drinks cold for hours Interchangeable Straps: Includes two extra soft-touch carrying straps in complementary colors to customize your bottle as desired Quiet, Non-Slip Base: Features a silicone base to soften contact and enhance stability Leak-Proof and Dishwasher Safe: The lid is BPA-free, lockable, and features a covered spout Pat/Pat Pending