This shaker has 3 layer, you could put the powder in the last 2 conainers when you go out to sport.
The shaker has a ball, you could use the ball to mix the powder and water.
Name: Most popular products 500ml sport plastic protein gym shaker bottle with mixed ball
Description: 500ml plastic sports shaker cup
Model: A16074
Material: PP
Capacity: 500ML
Design: customized
Color: customized
Feature: Eco-friendly, BPA Free, FDA/LFGB
MOQ: 2000pcs per color per design
Package: each one in polybag & bubble bag, egg crated, 24pcs per carton
Payment terms: 30% deposit, 70% agains B/L of copy
Sampleing time: 15 days
Delivery time: 30 days after PPS and order approved