• Twist n' Lock system
• BPA and Phthalate free
• Fits inside BlenderBottle Classic & SportMixer bottles
• Freezer and dishwasher safe
• U.S. and Foreign Patents Pending

GoStaks are a smart and sleek advancement in portable nutrition. Durable jars secure tightly to carry powders, vitamins, supplements, snacks and more. Whether you pack pre-, intra- and post-workout supplements to the gym, or simply need a versatile system for snacks and small items, the GoStak has you covered.

We accept Paypal and Bank transfer(Australia only)

We are Japanese seller living in Japan.
We promise to supply genuine product in Japan.
If you have questions please feel free to ask us.

All items are delivered from Japan directly.
Sometimes deliveries could be delayed for local situation.
Some product is supplied from manufacturer due to stock situation.
Electric appliances - Please check voltage before your purchase.Some product is only for 110V for Japan use and you need transformer.
Pre sale product - Please ask updated release day before purchase
Import duties, taxes and charges are not included in the item price or shipping charges.These charges are the buyer's responsibility.

Please feel free to ask if you have the product which I do not list.I will do my best to provide at competitive price.