3D Energy is a great-tasting, refreshing, sugar-free low calorie (only 15kcals a can) energy drink packing a 200mg caffeine/guarana blend!! Available in a range of great colour-themed flavours (along the lines of Monster Ultra but sooooo much tastier!) and, in this 'Purple' flavoured can? We're talkin' a very fruity Grape-inspired (Purple Monster Ultra given the 3D treatment!!) If you're getting bored of Monster Ultra? You're going to LOVE these!