Overview:
1. Healthy materials: Tritan copolymer polyester, PP 05, food grade silicone, dishwasher safe
100% BPA-free, food-grade silicone seals. (Add an alternative)
2. Durable shoulder strap for easy transportation
3. Quick water
4. No odor
5. Quick access and one-handed operation
6. Capacity: 500ml
7. Its convenient measurement mark will remind you how much you have drunk. (Note: Except for black, because it is a special color)
8. The best gift for boys, girls, women and men!

Product information:

Color: black, red, sea blue
Material: Silicone
Plastic: PP
Capacity: 500ml
Application: outdoor, fitness, cycling, etc.
Packing list: 1*water cup