Come and see our amazing products. This Cup used Tritan material,not easy to break,BPA- and phthalate-free,belongs to the healthy material. Ergonomic flip cap, secure screw-on lid. 304 stainless steel mixing ball inside, can be quickly shaken. Hand-in-hand design, comfortable and portable. Large caliber, easy to clean. Capacity is 590ml, whether in hand or in a bag, very convenient, will not take up too much space. You can use it indoors or outdoors. This unique shake cup with lanyard is easy to carry wherever you're headed.Always within reach when you are ready to replenish and refuel.The shake bottles have clearly marked measuring levels, so your shake tastes great and always measures up. Pre-workout or post-workout, our shaker bottles are a must-have fitness accessory to have in your arsenal. Pls confirm further with us if any query about packing info, inventory status and time schedule.