DESIGN:Mat designed as a square shape,features multi holes on to help insert or remove the pins onveniently,equipped with 60 removable and replaceable pins, aim to securely support ceramic or pottery pieces and hold them in place without sliding during a kiln firing. FUNCTIONS & FEATURES:Kiln support and 60 pins into one to create a must-have accessory set in a kiln firing process,and provide high temperature resistance of up to 1350 Celsius (2462 Fahrenheit) without any peculiar smell or damage.An additional plastic box attached for easy storage when not in use. APPLICATION:Stilt pottery is suitable for high temperature environments,especially suitable for kilns,forgings,furnaces,welding,brazing,etc. for the ceramic lover or MATERIAL & SIZE:Kiln Stilts Made of refractory ceramic fiber,it is an excellent refractory material,high temperature ,eco-friendly and ,Mat size-. 3.94 x 0.39 inches/10 x 1 cm (L x H).