Rally Protein Shaker btsbackpack Fits Most Cup Holders: All

Fits Most Cup Holders: All Cruiser and Slim Cruiser tumblers will fit normal sized cup holders

Leak-Resistant Insulated Lid One straw included

Vacuum Insulated: Simple Modern Cruisers are double walled and vacuum insulated

Leak Proof Straw Lid: Our BPA-free kids' water bottle with straw lid is leak-proof when the nozzle is in the closed position

BPA and Phthalate

Rally Protein Shaker btsbackpack Fits Most Cup Holders: AllDouble Wall Insulation: Keeps beverages hot or cold for hours. Leakproof: Twist on lid includes handle loop for easy carrying. Spout pops open for easy drinking access. Compatible with Simple Modern Classic Tumbler vessels. Cupholder Friendly: 24 Ounce Capacity Measurements marked inside vessel Shaker Ball Included Pat Pat Pend.