Woot offers OtterBox ELEVATION TUMBLER 20OZ for $16.99 (orig. $34.99). Free shipping for Prime Members.

Product Description:
OtterBox 20-ounce Elevation keeps up with you from morning pick-me-up to daily hydration to nightcap. Stainless steel Elevation works with a collection of lids that adapt to any adventure. Plus, you can choose a hue that suits you from colors that coordinate with your gear or match your mood.
Features:

• 100% stainless steel for years of use and abuse
• Internal copper lining maintains ideal temp
• Sweat-resistant design, leaves no rings
• Keeps liquid cold for hours
• Fits most cup holders
• Imported

Materials:

• Food grade stainless steel
• Copper lining

Thanks Maggie