SJ Gang Expandable Backpack Big Rexme with Opening T-Rex Mouth Dinosaurs Design Lime Green Orange

The SJ Gang Extendable Big Rexme backpack is not just any backpack — it's a T-Rex. Press the button on the shoulder strap and watch: the dinosaur's mouth opens and closes thanks to the integrated air system. Bared teeth, tongue out, predatory eye. A guaranteed wow effect every time.

The dinosaur theme is on every inch: neon yellow-lime dino silhouettes on a black background with orange/green/blue "HEAR MY ROAR" lettering, realistic T-Rex on the flap with street art-style graphic details. The fluorescent orange zippers complete a wild and decisive look.

The structure is designed for school: double extendable compartment via side zippers — from 22 to 29 liters. The pocket on the flap adds extra space for frequently used materials. Front zip pocket, side mesh bottle holder pocket. The integrated bottom maintains its shape even when fully loaded.

The back with pre-formed padding at contact points and padded shoulder straps with anatomical shaping ensure comfort. The reflective inserts increase safety on school routes.

Main features:

• T-Rex mouth that opens and closes – air system activated by the button on the shoulder strap
• Neon yellow-lime dinosaur pattern with "HEAR MY ROAR" lettering
• Double extendable compartment via side zippers
• Pocket on flap
• Front zip pocket
• Side mesh bottle holder pocket
• Reflective inserts
• Integrated bottom for content stability
• Capacity: 22–29 liters
• Dimensions: 27 × 41 × 16 cm (+6)
• Back with pre-formed padding at contact points
• Padded shoulder straps in fabric and mesh with anatomical shaping
• Fabric: Polyester
• Official SJ Gang / Seven Warranty: 4 years