Transform every letterbox delivery into a moment worth celebrating with our Patisserie Valerie Congratulations Letterbox Gift Sleeve — the perfect finishing touch that turns a delicious treat into a truly memorable gift.

Designed to fit any of our letterbox gifts, this beautifully illustrated sleeve wraps your treat in elegant celebratory style, featuring refined detailing that captures the pride, joy 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 arrives.