博士有成

[Applause of victory] Lightweight spine-protecting schoolbag

A triumphant applause

[Thunder] Lightweight spine-protecting schoolbag

as powerful as a thunderbolt

[Swimming Shark] Lightweight Backbone Schoolbag

Changyou shark

[Yunbao and Biqi] Lightweight spine-protecting schoolbag

Yunhe Biqi

[Fun Sweetheart] Lightweight Backbone Schoolbag

Binfen sweetheart

[Dream Maya] Lightweight Backbone Schoolbag

Dream Maya

[Romantic Flowers] Lightweight spine-protecting schoolbag

Romantic huadu

[Battle of Speed] Lightweight Backbone Schoolbag

Battle of speed

[Upgrade Game] Lightweight Backbone Schoolbag

Upgrade the game

[Dream World] Lightweight Backbone Schoolbag

Dreamworld

[Fly with me] Lightweight spine-protecting schoolbag

I fly together.

[Bumblebee and Cowperman] Lightweight spine-protecting schoolbag

Bumblebee and Cowperwood

[Transformers] Lightweight Backbone Schoolbag

Transformers

[Dream Unicorn] Lightweight Backbone Schoolbag

Dream unicorn

[Butterfly Playground] Lightweight Backbone Schoolbag

Butterfly playground