Plaid Clear Acrylic Sealer Msds What's Is Better For School?

What's is better for school? - plaid clear acrylic sealer msds

A bag (shoulder)
or
Backpack (normal)

and what do you think of these bags. Which is better:
1.http: / / shop.pacsun.com / Crystal-Clear Pla ...

2.
http://shop.vans.com/webapp/wcs/stores/s ...

3.http: / / / catalog www.wetseal.com / product.j ...