Mainstays 40 oz Stainless Steel Tumbler with Straw and Handle

Walmart

White color matches exactly, Handle design and placement are identical, Clear plastic straw matches exactly, Clear/translucent lid with dark rim matches exactly, No visible brand logo on the mug, matching the source, Overall form factor and tapered bottom are identical, 40 oz capacity aligns with perceived size, Stainless steel material is consistent with insulated travel mugs

Igloo 32 Oz Flip n Sip Travel Mug

Igloo Coolers

White color, Insulated travel mug type, Handle design and placement are very similar, Clear straw and clear/translucent lid with dark rim match source, Tapered bottom, 32 oz capacity is plausible

Thermos 40 oz Stainless Steel Cupholder Mug Straw

Walmart - Thermos LLC.

White color, Insulated travel mug type, Handle design and placement are very similar, Clear straw and clear/translucent lid with dark rim match source, Tapered bottom, 40 oz capacity aligns with perceived size