Pocket size - Skin Simulation Suturing Practice Training Pad for Basic Skill Development - By Master of Surgery] Our "Best Seller Pad", Perfect for Basic skill development. Mimics closely the 3 main layers of the skin in texture and appearance. Self adheres to any surface without leaving marks (No need for pad holders). "White Coat Friendly" 5x5in size / light weight - tested by local students to be the perfect working space for the best productivity. Don't get tricked by smaller or larger pads they become useless after awhile.