Reddit reviews BluePeak Protein Shaker Bottle 28-Ounce, 3-Pack, with Dual Mixing Technology. BPA Free, Shaker Balls & Mixing Grids Included (Yellow, Blue & Black)

DUAL MIXING TECHNOLOGY: Shaker ball & mixing grid included in each bottle, so you can choose your technology of preference.28-OUNCE CAPACITY: Plenty of volume to mix any portion size of your favorite drink. Note: measurements only go up to 20-Ounces (600 mL)DURABLE, CONVENIENT AND SAFE: Top-rack dishwashser safe, leak & spill proof guarantee, BPA-FREE.TAKE IT WHEREVER YOU GO: Sturdy loop top for carrying and securing it anywhere. Fits in most cup holders.PERFECT GIFT IN A BEAUTIFUL RETAIL PACKAGE - High quality box printed in high resolution makes it a great gift for anyone.