The Peterbilt 379 at 1/32 scale by Welly measures about 10 inches long by about 3 inches wide by about 5 inches high (to the top of the cab). 

The hood and the main cab are made of diecast metal while the extended cab and details such as mirrors, exhaust pipes, steps, gas tanks, etc, are made of plastic with chrome finish. It has very nice details such as separate clear plastic headlights. The coloring is done is high gloss finish with accurate markings and branding.

The wheels are free rolling and made of rubber. The rolling motion is very smooth so be mindful of where you display it (or chuck the wheels). The doors can open revealing nice interior details such as accurate seats, steering wheel and instrument panel. 

These models come is a big display box of 4 models per box. They do not have individual boxes. They will be expertly packed and shipped. Keep in mind that these are really not toys. They are very fragile and won't last long if played with regularly. The box is labeled as recommended for 14 and older.

The 379 was Peterbilt's flagship truck from 1987 until the 2007 model year maintaining the nameplate's signature long-nose styling coupled with a rugged edged yet refined profile. Available in standard (119″ BBC) and long hood (127″ BBC) lengths.