Miniature solid fuel tablets type D91 & type D92

Subject, Miniature solid fuel tablets type D91 & type D92 Please give me your best solution for solving this problem out!?. Hello!, I want too know for sure of the exact full name of these 2 items?, & where I can buy them at?, & the manufacturer of them?. I'll describe them to you, their miniature about the size & color of A silver hex nut, but they don't have a hole in them, & I peel the back off of them as I would A postage stamp, these items have a round self adhesive back so I can stick them to A surface, & then I light them up with my lighter, & then they go off as A whitish flare for about 50 seconds, & then they die down & go out. If you can help me out too be sure of the exact full name of these 2 items, I'd appreciate that any hints & clues will do too, items type D91 & type D92 Thank-you from TIMOTHY Harold Jones Email me back at jtim4717@gmail.com