For product specific lead times please refer to the individual product page to see which category this falls in; this gives you all the product details including lead times.
Generally the production times are as follows:
Despatched within 24 hours: Chocolate Bars
Despatched within 48 hours: Selected Mugs
Despatched within 1-3 days: Engraved, Printed Items, Embroidered and Candles
Despatched within 3-5 days: Ceramic and Printed Glass