Never take camping advice from me, you'll only end up drunk design - available in 22oz Stainless Steel Tumbler with slider lid and stainless steel straw or in to go style Stainless Steel Tumbler with flip lid.
both keep drinks hot or cold for hours. Permanent design.
A note from Ottawa Artisans: Please note that the vendor will contact you directly after payment to discuss your choice of local pick-up/drop-off or shipping (not included unless specified).