Transform every letterbox delivery into a Happy Birthday moment with our Patisserie Valerie Happy Birthday Gift Box Sleeve — the perfect finishing touch that turns a delicious surprise into a truly memorable gift.

Designed to fit any of our letterbox gifts, this beautifully illustrated sleeve wraps your treat in instant birthday charm, featuring refined celebratory detailing that captures the joy, warmth and excitement of the occasion. From brownies and cake bites to sweet surprises made for sharing, every delivery feels elevated, thoughtful and ready to delight from the moment it lands on the doorstep.