Popular and common size t-tops and shrink caps. Jelinek, providing the world with cork for 150 years. Fusion and Synthetic cork stoppers. 19.5mm, 22.5mm t-tops. Our fusion corks work really well with spirits. The synthetic corks are a great alternative for use with sprits as well. The 19.5 agglomerate works really well with port and oils. The 31x60 shrinks caps are the size to go with the 19.5mm t-tops. 36x50 shrinks fit the 22.5mm t-tops.