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Premium Stainless Steel Drinkware for Every Lifestyle

Discover durable, vacuum-insulated tumblers, sports bottles, and mugs crafted with precision by Zhejiang Shuixi Industry & Trading Co., Ltd. — makers of the watersy and Shuixi brands.

Insulated Stainless Steel Tumbler

About WatersyCups

Zhejiang Shuixi Industry & Trading Co., Ltd. is a leading manufacturer of high-quality vacuum insulated drinkware based in Jinhua City, Zhejiang, China. With years of production experience and technical expertise, we are committed to delivering premium stainless steel tumblers, sports bottles, and mugs that meet global standards.

We operate two independent brands — Shuixi and watersy — both focused on innovation, durability, and style. Our mission is to build an integrated industrial chain with advanced automated production lines, a young R&D team, and a customer-first philosophy.

10K+
Happy Clients
15+
Countries Served
ISO 9001
Certified
Double Wall Tumbler Insulated Jug Sports Bottle Sublimation Tumbler

Our Premium Products

Insulated Jug 64oz

64oz Insulated Jug With Handle

Perfect for camping, fishing, or outdoor use. Made from food-grade stainless steel with vacuum insulation.

Capacity: 64oz | Material: 304 Stainless Steel | Leak-proof Lid
350ml Double Wall Tumbler

350ml Double Wall Tumbler

Ideal for office or travel. Keeps drinks hot or cold for hours. Stylish and compact design.

Capacity: 350ml | Vacuum Insulated | BPA-Free Lid
Vacuum Sports Bottle

Vacuum Sports Bottle With Handle

New 2023 model designed for hiking, gym, or travel. Ergonomic handle and leak-proof seal.

Sizes: 20oz, 32oz | 18/8 Stainless Steel | Sweat-proof
35oz Tumbler With Handle

35oz Tumbler With Handle & Straw

100% leak-proof design with straw lid. Great for iced coffee, smoothies, or water.

Capacity: 35oz | Double Wall | Straw Included
Thermos Flask With Rope

Thermos Flask With Silicone Rope

Portable and durable. Features a silicone rope for easy carrying. Ideal for outdoor adventures.

Vacuum Insulated | Silicone Grip | 1000ml Capacity
Sublimation Tumbler

Custom Sublimation Tumbler

Blank tumblers ready for sublimation printing. Perfect for branding or personalized gifts.

Coated for Sublimation | 16oz, 20oz, 30oz | Matte Finish
Stainless Steel Mug With Handle

Stainless Steel Mug With Handle

Classic design with a modern twist. Keeps coffee hot for 6+ hours. Great for home or office.

Double Wall | 12oz, 16oz | Comfort Grip Handle
Cola Bottle Design

Cola Bottle Stainless Steel Cup

Trendy cola bottle design. Fun and functional. Great for gifting or personal use.

Sizes: 12oz, 17oz | Leak-Proof Lid | Modern Aesthetic
View All Products

Why Choose WatersyCups?

Premium Materials

We use 100% food-grade 304 and 316 stainless steel for durability, safety, and long-term performance.

Advanced Insulation

Double-wall vacuum technology keeps drinks hot for 12 hours and cold for 24 hours.

Certified Quality

ISO 9001 and CE certified. Compliant with international safety and environmental standards.

8+
Product Categories
50+
Design Variants
15+
Global Markets
10K+
Units Shipped

Frequently Asked Questions

What is the difference between 304 and 316 stainless steel?

304 stainless steel is widely used for drinkware due to its corrosion resistance and affordability. 316 offers enhanced resistance to salt and acidic environments, making it ideal for marine or medical use.

Are your bottles BPA-free?

Yes, all lids and seals are made from BPA-free materials, ensuring safe and healthy use.

Can I customize the tumblers?

Yes! We offer sublimation-ready tumblers and OEM services for bulk orders with custom logos or designs.

How do I clean my tumbler?

Hand wash with warm soapy water. Avoid dishwashers to preserve the vacuum seal and finish.

Get in Touch

For wholesale inquiries, custom orders, or product support, visit the official website to connect with the WatersyCups team.

Visit Official Website

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