The Camera "T" Marker is designed for marking actors' positions on any surface. Each T Marker is made of heavy-duty nylon material and filled with shot, making them extremely durable and heavy enough to stay in place (approximately 0,55 kg. each). Taking up about 18 x 15 cm of space and available in bright colors for excellent visibility. Utilize the eyelet to string them up for convenient portability and storage. A perfect reusable alternative for when you can't or don't want to use tape markers.