Meet Your Everyday Favorite: The Corkcicle Go Cup XL Leakproof, Hand Corkcicle Go Cup XL 887ml Gloss White Amazon.com: Corkcicle Go Cup XL Leak Proof Travel Tumbler Triple Corkcicle Vaso Go Cup XL Gloss White 887ml. Corkcicle Go Cup XL 887ml Gloss White. Go Cup XL Your Ultimate On the Go Hydration Mate. With a massive 887ml (30oz) capacity, the Go Cup XL is your go to for staying cool and hydrated wherever the day takes you. Whether you're hitting the gym, trekking up a trail, or powering through your workday, this leakproof legend has your back not a single drop will go astray. Designed with Aussie lifestyles in mind, it features flat sides for a comfy grip, a flexible handle for easy carrying, and a clever flip up silicone spout that stays clean between sips. Plus, with a range of colours and patterns to suit every personality, staying hydrated never looked so good. Key Features: Keeps drinks cold for up to 12 hours 100% Leak Proof Easy carry handle ergonomic flat sides High flow Tritan straw Non slip silicone base Fits in most car cupholders Triple layer insulation for maximum chill