Black Cardboard A3 220 gsm - Pack of 100This sturdy black 220gsm mount card in A3 size is a durable and versatile resource ideal for craft, construction and artwork mounting in both classroom and home environments. Its strong structure supports a wide range of creative uses and is particularly suitable for making frames, cards, collage bases, and silhouette displays. The larger A3 format provides ample space for more expansive or detailed projects, allowing students to express their