THERMO BONDED - Official AZELAN AZ02 edition. Seamless construction, thermally bonded panels. Zero water uptake. 2. OFFICIAL SIZE 5 - Pro standard 68.5-69.5cm, 410-450g. For senior and club matches. 3. MATCH + TRAINING - Textured PU outer for grip and control. Built for intense daily use. 4. BUTYL BLADDER - Superior air retention, stays inflated. 5. SIALKOT MADE - Direct from Sialkot-based manufacturer AZELAN SPORTS. Pro factory quality.