Buy Plastic Caps and Plugs online direct from the manufacturer! Large selection of sizes and styles IN STOCK and ready to ship – Buy now! MOCAP is a manufacturer of quality plastic and rubber components for product protection, masking and finishing applications. View our wide selection of plastic and rubber products including caps, plugs, handle grips, tube plugs, hole plugs, high temperature tapes, plastic netting and our molding services including dip-molding, plastic injection, rubber molding and plastic extrusion services. Buy directly from our online store, or for custom designs or parts, contact us at 800.633.6775.