Can you use this in the microwave?

The package only says that it’s disheasher safe, so I don’t think you can use them in a microwave

Are the leak proof? Have anyone tried to put liquids in it?

I put coconut oil in one for a while it was fine until I went back home to Tucson and it was hot so it all got liquid and it leaked so, no, not totally leak proof from my experience.

are the jars made of glass?

No the jars are made of a hard clear plastic and are very durable.

Can you use these with the Prostak blender? Sort of like an add-on?

I don't know. I use it for snacks, dressing, and sauces in my lunch bag. I am sorry I can't answer your question.

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Description

🔗 Stack, lock, and fuel your day with style and ease!

HEALTH FIRST DESIGN - BPA- and phthalate-free materials ensure your supplements stay pure and safe, every time.
MODULAR POWER STACK - Connect any jar size in any order with a secure quarter-turn lock for ultimate customization.
CARRY ON CONVENIENCE - Removable handle clips easily to your bag or fits inside your BlenderBottle shaker for on-the-go fuel.
COMPACT NUTRIENT HUB - Four versatile jars hold powders, vitamins, supplements, and snacks — all in one sleek, portable pack.
CLEAN CLEAR CONFIDENCE - Made from stain- and odor-resistant Eastman Tritan plastic that stays fresh and dishwasher safe.

The BlenderBottle GoStak Twist n' Lock Storage Jars 4-Piece Starter Pak offers four durable, stackable containers (40cc, 60cc, 100cc, 150cc) designed for powders, vitamins, supplements, and snacks. Featuring a secure quarter-turn Twist n' Lock system, a removable carry handle, and compatibility with BlenderBottle shakers, these BPA- and phthalate-free jars are made from stain- and odor-resistant Eastman Tritan plastic, dishwasher safe, and perfect for organized, on-the-go nutrition.

Specifications

Product Dimensions	2.25"L x 2.25"W x 10.75"H
Recommended Uses For Product	Protein Shakes, Travel
Special Feature	organic
Container Shape	Round
Closure Type	Twist Lock
Is Dishwasher Safe	Yes
Material Type Free	Phthalate Free
Item Package Quantity	1
Item Weight	0.4 Pounds
Product Care Instructions	Dishwasher Safe
Item Volume	350 Milliliters
Unit Count	1.0 Count
Is Microwaveable	No
Manufacturer	BlenderBottle
Number of Items	4
Specific Uses For Product	portable protein shake and supplement storage
Size	4-Piece Starter Pak,
Global Trade Identification Number	00847280003532, 00885391976390
UPC	885391976390 885488403167 885661042626 696729947575 847280003532 778295025564 745077045607 885787105335 885824255344 802401392643 885481439217 885572764839 689978063660 885442436743 718472671962 885440438978 885624169896 885490133045
Part Number	BB44
Item Weight	6.4 ounces
Item model number	C00301
Is Discontinued By Manufacturer	No
Style	Starter 4-Pak
Finish	Black
Shape	Round
Volume	1 Milliliters
Wattage	150 watts
Number Of Pieces	1
Special Features	organic
Included Components	BOTTLE
Batteries Included?	No
Batteries Required?	No
Number of Sets	4

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