Vicbay via Amazon offers its Vicbay Collapsible Silicone Cup in several colors (Pink pictured) for $10.99. Coupon code "9OUWML9N" drops it to $7.91. Plus, Prime members bag free shipping. That's $3 under the lowest price we could find for a similar cup purchased elsewhere. The cup holds 4.5 ounces and includes a heat insulation ring. Deal ends November 15.