1. square, round 2. for olive oil packing 3. dark green color 4.Caps, Shrink, Capping / Filling ... .2. Caps, srhinks, filling machine and capping machine etc for olive oil are all available here.3. one 40'HQ can take ... dollars. Main ProductsOur main products are glass jars, bottles, vases, oil bottles, candle holders, bowls, plates, spice jars, goblets, fish bowls ...