Body Jewelry › Glass Special Edition Green Smoke Borostone Plugs (1 1/2") Image 1 of 1 Glass Special Edition Green Smoke Borostone Plugs (1 1/2") $155.00 SOLD AS PAIR ONLY.These plugs are a special one-off design that is only available in 1 1/2”. From Glasswear Studios. Add To Cart Added! SOLD AS PAIR ONLY.These plugs are a special one-off design that is only available in 1 1/2”. From Glasswear Studios.