Our Screw Top Lid features Reflecta Dual Top insulation so your drinks never touch plastic! Customize your bottle with a different color Screw Top Lid or find a matching replacement.

Fits most bottles including:

• The Boulder 20oz, 24oz, 32oz
• The Boss 64oz
• The Summit 24oz
• The Perk 16oz and 20oz
• The Wave 24oz and 32oz
• The Frost 12oz
• The Splash 12oz

If there is a date of 2014 or older on the bottom of your bottle, this lid may not fit. If you need this lid as a replacement for an older Boulder, please check to see if it looks like your current lid. If you're not sure that this is the correct top for your bottle, please contact us and we will be happy to help you.

The top measures 2 inches tall and 2.75 inches in diameter. The top and strap come as one piece and are sold as a unit. The first time you use this top, please screw down tightly so it will form a tight seal.