PRZ Shop Find all our products here to improve your sports field. Contact Us PRZ Sports Field Maintenance WebinarRated 4.78 out of 5 $325.00 – $425.00 200 full-color pages and a great tool for refreshing what you learned during the seminars & webinars and for training new employees. PDF will be sent to your email upon purchase. $25.00 PRZ Sports Field Seminar $175.00 – $200.00