The G-TR 4000 Training Ball from Gilbert is ideal for club, school and junior rugby, with a hand-stitched, 3-ply polycotton and laminate construction and TRI grip technology. Colours Available: Fluro Blue Size Guide: Size 3 Size 4 Size 5 Specifications: 3-ply polycotton and laminate construction Hand-stitched Durable rubber surface TRI grip technology Hydratec finish