These post earrings are some of my most popular - I've been making them since 2018! These are filled with yellow beach plastic, collected during one of my many beach clean-ups.
 
Approximate Measurements:  7.3 x 6.3 x 1.7m | post 11mm
Earwire Metal: hypoallergenic, nickel-free stainless steel post
Material: yellow trash plastic handcut (not machined) artist-made trash based jewelry pigment (made with a plant based bio resin)
Shape/Style: triangle stud earrings
Color(s): yellow, silver border