10, 11 and 13 March 2026 slots are opening on 20 Feb 2026, 10pm.
1. Delivery Days & Time

Our deliveries are on Tuesdays, Wednesdays and Fridays, depending on your shipping address. All deliveries are performed between 3pm to 930pm and your kefir can be delivered anytime during this interval.

2. 2-hour delivery window

Should you prefer a specific time slot to receive your kefirs, we provide a 2-hour window at an additional cost of $20 per delivery/week. Simply drop us an email at admin@thegrainfactory-sg.com with your requested time window.


3. Usage of own cooler bag/box

If you are intending to use your own cooling bag/box to receive your order which we would highly recommend should you not be around when your kefir arrives, please ensure your cooling bag/box is placed at a prominent spot that can be easily identified by our delivery personnel.

It is mandatory to inform us via email to admin@thegrainfactory-sg.com at least 2 working day before your date of delivery should you wish to use your own cooler bag.

Details to include in the email:
1. Colour and shape of the cooler bag/cooler box
2. Place where it would be at eg. on top of shoe cabinet, hang at gate

Kindly also ensure that the type of cooling bag/box and sufficient ice packs are provided to keep your kefirs fresh till you return. We would however still recommend that someone to be around to personally receive your order.


The Grain Factory is not responsible for any goods left in the wrong cooling/storage bag/box, or goods that are not kept chilled despite placement in your cooling bag/box.