Frank Green Discount Codes for the UK 24 August 2026

Promotional codes can be entered in the discount code field at checkout. Discount codes cannot be combined with any other promotion, discount, or offer, and cannot be redeemed for cash or store credit.

New customers who subscribe as a "frank friend" can receive a free Small or Large Bumper in their choice of colour when purchasing an eligible 20oz or 34oz Reusable Bottle on their first order. Add both the qualifying bottle and bumper to your cart and enter the discount code WELCOME at checkout.

Standard UK shipping is free on orders over £50 and applies automatically at checkout. This offer excludes deliveries to Guernsey, Isle of Man, and Jersey, where standard shipping costs £7.99.

Frank Green offers Klarna financing at checkout for eligible UK residents aged 18 and over. You can choose to pay within 30 days with no interest or fees, or split your purchase into 3 equal, interest-free payments scheduled every 30 days.

Frank Green does not accept returns or exchanges for change of mind. If you receive an item that is damaged, faulty, or incorrect, contact customer support within 7 days of delivery with order details and photos of the item and packaging to arrange a replacement.