home -> on-line catalog -> rugby balls -> clubpro size 4 ClubPRO Rugby Ball Size 4 ClubPRO Rugby Ball Size 4 Same high quality as the ClubPRO Size 5 match ball featuring an excellent grip and great durability. $16 Qty: Call 800-RUGBY US or email us for team pricing and bulk discounts and to get information on BALL'S OUT! Rugby's Youth Program Sponsorships. ©2007 BALL'S OUT! Rugby Goods. All rights reserved.