GBlog 5 Pack Clear 14 mm/18 mm Male Joint Glass Bowl (18 mm) Go to amazon.com Related posts Which is the best 18mm bowl glass? FeatureSize:14 mm/18 mm maleMaterial: glassClear glass bowl for dry herbsPack of 5 piecesReplacements for free if any pieces broken in the package DescriptionPack of 5 pieces Replacements for free if any pieces broken in the package(attach us pics when u got the package)