The Kaltostat Calcium Sodium Alginate Wound Dressing is a 10x20 cm box of 10 sterile rapid wound dressings by ConvaTec. The active ingredient, calcium, is designed for wound care purposes for both men and women. This dressing is ideal for first aid and health care, ensuring effective and efficient wound management. With its wide width of 10 cm, this product is perfect for various wound sizes, making it an essential item in any health and beauty arsenal.