This block of 12d6 in Diffusion Koi Pond includes 18mm pipped dice that are over 40% larger than traditional 16mm dice for a hefty feel and bigger rolls.  
Enclosed in a clear plastic display box with UPC, SKU, and description labeling.

ROLE 4 INITIATIVE - SET OF 12 SIX SIDED DICE (18MM) - DIFFUSION KOI POND is categorised ROLE-PLAYING GAMES / DICE / 12-DICE SETS and sold by l'Imaginaire, a store and specialised website.