Oasis Stainless Steel Insulated Smoothie Tumbler with Straw 500ML - Black Sttoke Classic The medium and large size

The medium and large size can hold passports making them RFID passports holders too

It is also unisex

trolley link and shoulder strap for maximum comfort

Also available in a Checked Plus size

Oasis Stainless Steel Insulated Smoothie Tumbler with Straw 500ML - Black Sttoke Classic The medium and large sizeIdeal for smoothies on the go, the Oasis Stainless Steel Double Wall Insulated Smoothie Tumbler with Straw harnesses vacuum insulation technology to significantly reduce heat transfer by conduction or convection. Made from quality 18 8 grade stainless steel inside and out, this Smoothie Tumbler is highly resistant to rust, is odourless, BPA free, and built to last a lifetime. Convenient and portable; the Smoothie Tumbler features a tight fitting