The quality of craftsmanship and materials is usually to be found only in pens costing many times more. On the whole, I love it, I am having some problems with it though. Please try again later. Hey there. I keep reading about TWSBI fountain pens failing. So, yes, but that's not the 'eco' in the TWSBI Eco. #creturnsPolicyBottomSheetContent{padding:10px} Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. Reviewed in the United States on May 1, 2017. Skip to main content.ca. Piston-filling used to be a perk restricted to higher-end, gold nib pens, but with the Eco it’s fully attainable for a reasonable price. It is a dedicated piston fill pen, so there is only one optio…, Q: }); Fast and free shipping free returns cash on delivery available on eligible purchase. I love these clear demonstrator pens, i am fairly new to fountain pens, this being my 4th, but i know getting a piston fill pen with such large capacity for this price is pretty good,. It became my everyday pen. Great paper but not quite as smooth as, say, Tomoe River. 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