Watersy Portable Sling & Handle Vacuum Flask (SUS 316)
Pop-Up Lid Tumbler · 800ml/27oz · 304 Stainless Steel
Every Watersy production run is backed by mainstream international certifications — test reports and compliance documents are available on request.
| Series | Car Cups & Travel Tumblers |
|---|---|
| Cup Type | Dual-Drink Tumbler |
| Capacity | 20oz, 30oz, 40oz |
| Material | 304 Stainless Steel |
| Customization Support | OEM / ODM |
| Vacuum Insulation | Double-wall Vacuum |
| Handle | With Handle |
| Parameter | Value |
|---|---|
| Capacities | 20oz / 30oz / 40oz |
| Capacity (ml, 40oz) | 1182ml (printed on color box) |
| Capacity (ml, 20oz / 30oz) | ~591ml / ~887ml (converted) |
| Inner liner | SUS304 stainless steel |
| Outer layer | SUS304 stainless steel |
| Wall construction | Four-in-one: (1) frosted wear-resistant exterior, (2) SUS304 outer layer, (3) copper plating, (4) SUS304 inner liner |
| Vacuum insulation | Double-wall vacuum (vacuum-pumping hole covered by circular bottom piece) |
| Lid | AS resin lid, double-drinking lid for both straw-sipping and direct drinking |
| Drinking modes | 01 Straw / 02 Open-mouth / 03 Direct drinking |
| Thermal performance | Hot 12H / Cold 12H (manual measurement, deviation possible) |
| Leak claim | "Foolproof 100% water-tight 100%" |
| BPA claim | BPA FREE, free of carcinogenic bisphenol A |
| Coating durability | Wear resistant spray coating, non-slip, non-destructive surface after 25 dishwasher cycles |
| Handle | Yes, side handle (handle options per capacity) |
| Cup mouth | Round cup rim, smooth inner-threaded cup mouth |
| Applicable scenarios | Indoors / Motion / Outdoors / Car |
| Customization model | OEM/ODM, supports small order customization |
| Capacity | Height with lid | Body height | Base diameter | Body diameter | Weight (lid not included) |
|---|---|---|---|---|---|
| 20oz | 204mm | 185mm | 70mm | 90mm | 322g |
| 30oz | 238mm | 219mm | 70mm | 90mm | 377g |
| 40oz | 268mm | 248mm | 74mm | 100mm | 470g |
| Option | Values (as printed) |
|---|---|
| Logo | Laser engraving, Silk screen, 3D/5D printing, UV Printing, Heat transfer printing, Gas dye printing, Stick the rhinestone |
| Surface finish | Spray paint, Power coating [sic], Rubber coating, Pearlescent paint, Glitter powder, Rainbow Paint, Electroplating, Lacquer dyeing, Titanium imitation, Cloud paint, Wood grain, Water dye priting [sic] |
| Packaging box | Kraft paper box, White box, Single-color kraft paper box (printed "KEEP COLD & HOT TUMBLER MUG"), Color box (printed WATERSY, 40oz/1182ml) |
| Straws | 1. Plastic Straw, 2. Stainless steel Straw, 3. Bent stainless steel Straw, 4. Silicone stainless steel straw, 5. Cartoon silicone stainless steel straw, straw brush |
| Lids & handles | Multiple interchangeable lids and handles per capacity (20oz / 30oz / 40oz columns), "CUP LIDS IN STOCK" |
| General | OEM/ODM, small order customization, catalog text: different handles optional, spray painting / plastic spraying / 3D printing, multiple lids optional, various customization accepted |
The Drink Freely handle tumbler is a double-wall vacuum insulated travel cup offered in 20oz, 30oz and 40oz. Its wall structure is described as four-in-one: a frosted wear-resistant exterior over a SUS304 stainless steel outer layer, a copper-plated insulation layer, and a SUS304 stainless steel inner liner (stamped "SUS 304"). The lid is an AS resin double-drinking lid that allows both straw-sipping and direct drinking, the detail page also shows open-mouth use. A circular bottom piece covers the vacuum-pumping hole. The cup has a round, smooth, inner-threaded mouth and a fixed side handle, different handle and lid options are shown per capacity.
Thermal performance is stated as 12 hours hot and 12 hours cold (manually measured, deviation possible). The coating is described as wear-resistant spray coating keeping a non-slip, non-destructive surface after 25 dishwasher cycles. The product is advertised as BPA free and "100% water-tight". Applicable scenarios shown: indoors, motion/sport, outdoors and car cup use.
Finish ranges advertised: a solid color series and a gradient series, read SKU photos show a solid powder-blue and a lavender-to-turquoise gradient colorway with color-matched lid and handle plus a polished metal band under the lid. Factory assets also show a matte black execution. Surface customization menu includes water-wave ("Water dye priting" as printed) and wood-grain finishes, matching the, /, elements of the folder name.
Pop-Up Lid Tumbler · 800ml/27oz · 304 Stainless Steel
Dual-Drink Tumbler · 20oz / 600ml · 304 Stainless Steel
Dual-Drink Tumbler · 532ml/18oz · 304 Stainless Steel
Dual-Drink Tumbler · 50oz · 304 Stainless Steel
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