Material: silicone gel Size: 10299450-42*37mm,thickness 9mm,inner 25*30mm 10299451-42*29mm,thickness 8mm,inner 13*35mm 10299452-53*32mm,thickness 7mm,inner 20*40mm Please allow 1- 3mm error due to manual measurement and make sure you do not mind before ordering. Note:Due to variations in monitor display, the color of products may slightly be different when received in person. We do our best to take photos so that they appear true to color. weight:70 grams Quantity:1pcs