Regarding the anatomical snuffbox, which of the following is true?
Boundaries of anatomical snuff box :

Anterior / Lateral wall - Extensor pollicis brevis and abductor pollicis longus tendons. 
Posterior / medial wall - Extensor pollicis longus tendon.
Floor - Styloid process of radius, trapezium, scaphoid and base of first metacarpal.
Roof - Skin, fascia, starting of cephalic vein, superficial branch of radial nerve.
Content - radial artery.
Abductor pollicis longus forms the posterior wall
Abductor pollicis longus and Extensor pollicis brevis form the anterior wall
Basilica vein forms the roof
Floor is formed by Extensor carpi radialis longus and brevis