400gsm stands for grams per square meter, indicating the thickness and density of the paper. It’s a heavyweight, premium-quality cardstock that offers a firm, durable, and high-end feel—ideal for luxury prints like business cards, invitations, or covers.

Yes, these cards are designed to handle double-sided printing with ease. You can print full-colour designs, text, or graphics on both sides without compromising the quality or readability.

We recommend uploading your design in PDF, AI, PSD, or vector formats with a minimum resolution of 300 DPI to ensure sharp, high-quality print results. Please include bleed and safe zones where applicable.