The Portable Double-Layer Shaker Cup is perfect for outdoor fitness and gym activities, offering a large 16oz capacity for your protein shakes. Made from food-grade AS material, it features a built-in mixing ball for efficient blending. Available in white, blue, and pink, this shaker cup is designed for convenience and durability. Customization options are available, allowing you to add your logo to this versatile and stylish shaker cup. Ideal for personal use or as a unique promotional item, it combines functionality with a sleek, portable design. Measuring 3.15*8.66 inches, this custom portable double-layer shaker cup. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Tailored branding: Supports logo imprint and design personalization. Product Highlights: BPA-free, leak-proof, travel-friendly.