Anti-slip surface, providing you a better grip to performance.Plastic material made, durable for long use.Moderate hardness, great hand for Touch feeling.Easy to install and disassemble.Compatible with Only for S ControllerImportant!1.Please confirm this item is the right model you need before placing order. Most repair parts are only suitable for special model.2.This item comes with No Manual , No Instruction Guide, No Video Guide. Professional installation skill is needed.3.To all replacement parts are in good condition, we had tested it before shipping.4.We do not hold any responsibility for damaging of this item cause by your wrong installation or your wrong purchasing.5.Compatible with Only for S Controller( Not suit for One / S / X / Elite controller )( This is not-original button , it is made of third part )Colour:BlackMaterial:plasticPackage Contents:2 x RB LB Bumper Button2 pair x RT Trigger Button2 x Middle BarOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.