Released on August 17, 2026

[Online Exclusive] Stainless Steel Tumbler with a Beautiful Two-Tone Design

This stainless steel tumbler features a simple, straight-sided design accented with a small Siren logo near the base. It comes with a transparent, easy-to-open press-fit lid. The double-walled vacuum-insulated stainless steel construction provides excellent heat and cold retention.

Not microwave or dishwasher safe.
The lid is not completely leak-proof. Please handle with care to prevent the lid from coming off and causing spills.

Dimensions (Width x Depth x Height)
8.0 x 8.5 x 12.2 cm

Actual Capacity
355 ml

Materials
Body: Stainless steel
Lid: Saturated polyester resin, silicone rubber, polypropylene

Heat Resistance
Lid: 100°C

1. New & Authentic