Dual-Drink Tumbler · 50oz · 304 Stainless Steel
Every Watersy production run is backed by mainstream international certifications — test reports and compliance documents are available on request.
| Series | Wine & Leisure Drinkware |
|---|---|
| Cup Type | Other |
| Capacity | 15oz / 443.6ml (4-in-1 configuration), 16oz / 473.1ml (2-in-1 configuration) |
| Material | 304 Stainless Steel |
| Vacuum Insulation | Double-wall Vacuum |
| Handle | With Handle |
| Parameter | Value |
|---|---|
| Capacity (4-in-1) | 15oz / 443.6ml |
| Capacity (2-in-1) | 16oz / 473.1ml |
| Size | 6.81 x 3.03 inch / 17.3 x 7.7 cm (with flip lid), 16 cm / 6.31 inch height without flip lid, 7.7 cm / 3.03 inch diameter |
| Weight incl. lid (4-in-1) | 278.8g ± 10g (flip handle lid), 244.5g ± 10g (threaded ring) |
| Weight incl. lid (2-in-1) | 312.7g ± 10g (flip handle lid), 278.7g ± 10g (threaded ring) |
| Material | Inner and outer 304 stainless steel ("Inner Outer 18/8 ss") |
| Wall structure | 5 layers: 1 inner 18/8 SS, 2 electrolysis process layer, 3 vacuum insulation layer, 4 outer 18/8 SS, 5 wear-resistant powder coat |
| Insulation | Vacuum insulated, keeps hot and cold drinks ("ENJOY HOT AND COLD DRINKS ANYTIME AND ANYWHERE", long-term insulation) |
| Lid system | Dual lids: flip-top handle lid (straw port + direct drinking port, "one cover for both purposes") + threaded ring |
| Colors | 5 colors (white, beige/gold, red/coral, teal, black), "dual cup lid with multiple colors available" |
| Bottom | Non-slip, anti-skid, abrasion-resistant cup bottom |
| Handle | Portable carry handle integrated in flip lid |
| Mouth | Smooth rounded cup mouth, not easily deformed, fits lips |
| Certifications | LFGB, FDA, BSCI, ISO9001 (spelled "IS9001" in image), CE |
| Brand mark | "WATERSY" logo on body |
Enjoy hot and cold drinks anytime and anywhere. This 4-in-1 insulated can cooler keeps beers, sodas and mixed drinks cold while doubling as a vacuum tumbler. The dual-lid design gives one cover for both purposes: a flip-top with a suction-pipe (straw) mouth and a direct drinking port, plus a threaded ring for open-can use. Built with inner and outer 304 (18/8) stainless steel, an electrolysis process layer, a vacuum insulation layer and a wear-resistant powder coat, it is food grade, corrosion resistant, high-temperature resistant and wear resistant. Details show quality: multiple cup lids fit the body, the smooth cup mouth is not easily deformed and fits the lips, the 4-in-1 18/8 SS inner keeps long-term insulation and resists corrosion, and the non-slip cup bottom is anti-skid and abrasion resistant. Quality assurance: BSCI authoritative factory inspection, FDA (US) and LFGB (EU) testing certification, with ISO9001 and CE listed.
Dual-Drink Tumbler · 50oz · 304 Stainless Steel
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