Amazon.

https://www.amazon.com/SABRE-RED-Pepper-GEL-Orientation/dp/B07GVSHG61/ref=sr_1_7?crid=1ZDYHXPEZE7N5&keywords=pepper+spray&qid=1657546438&sprefix=pepper+spray%2Caps%2C88&sr=8-7

https://www.amazon.com/dp/B07GVSHG61/ref=cm_sw_r_cp_apa_i_HphNFb1V3AW74

Sabre Red Pepper Gel.

It was recommended to me by a self defense instructor who's had the opportunity to "try out" many of these products, and he said this one was ten times worse and lasted ten times longer than any of the others.