This article explores how smooth-writing cartridges can transform your promotional products into impactful branding tools. A ...

It uses a thick, oil-based ink that is dispersed by a small ball in a socket at the head of the pen. The cartridge uses gravity to force ink down the reservoir. A fountain pen uses a nib in the ...

Made by longtime Colorado vape brand O.pen, this unique machine relies on traditional 5/10 cartridges — the most common cart for hash pen batteries — to fill up a glass with THC vapor ...

Third-party lab testing plays a large role in guaranteeing the safety and efficacy of a vape cart. It ensures the cart is free from harmful contaminants, including heavy metals and pesticides. Lab ...