I am looking to source gym shaker bottles with the following requirements: 700ml capacity, made of BPA-free plastic or stainless steel, featuring leak-proof, durable, easy-to-clean design, with an optional magnetic feature. The order quantity will be between 500 and 1000 units. Shipping terms can be FOB, CIF, or DDP to the destination country. Packaging should be custom-branded and eco-friendly. Please provide your best price, production lead time, and shipping details. Let me know if you need more information.