Stainless steel cream sand timer. To ensure proper steeping time of each tea type, this multi-coloured sand timer includes a 3, 4 and 5 minute timer and strength grade. 3 minute timer steeps a lighter infusion, ideal for green teas 4 minute timer steeps a medium infusion, ideal for white and oolong teas. 5 minute timer steeps a bolder infusion, ideal for black and herbal teas.