500ML 3-Layer Sports Water Protein Powder Shaker Bottle Outdoor Travel Portable Leakproof Drinkware Plastic Drink BPA Free

Instructions for use:
1. Before using the new bottle, clean the bottle body and check whether the sealing ring is properly installed.
2. Please preheat (or pre-cool) with a small amount of boiling water (or ice water) before use
3. After each use, wash it with hot water or cleaning solution, and dry it upside down.

Maintenance:
To prevent odors or stains, wash and dry thoroughly after use.