Using a sublimation tumbler for glitter and epoxy. Provided materials list may contain affiliate or referral links.
The Tumbler Grip - https://refrr.app/rPyUfwXPDR/90387
Glitter- https://makerflocrafts.com?sca_ref=649955.yV9ASbxVfM
Epoxy - https://counterculturediy.com
Tumbler - The Stainless Steel Depot http://rwrd.io/cen2n16?c
Wifi plug, Hayes waterslide paper, etc. - Amazon