Leaf Gelatine Silver 1kg This Leaf Gelatine Silver 1kg contains 1 kilogram of gelatine, which is approximately equivalent to 400 gelatine leaves. This gelatine has a strength, also known as bloom, of 160 to 190. Gelatine often does come in handy during baking. Whether you are making panna cotta, mousse or jelly, gelatine is often a must.