sg45Model: SG45. Material: PP. Capacity: 45 Liters. Dimensions: 56.5 x 41.5 x 31 Cms. Net Weht: 4.3 Kgs. Gross Weht: 5.5 Kgs.Sma’s ‘Golden Era’ series sees their take on famous Gibson acoustic models. The JM-SG45 Features D-14 FretSlope Shoulder body shape, Solid Sitka Spruce top, Mahogany Back