POSTAGE Peninsular Malaysia : RM10.00 For first 3 kg. RM 5.00 For Sub 1kg. East Malaysia : RM20.00 For First 1kg, RM 15.00 For Sub 1kg. The rates as quoted herein is based on actual weight of the package or its volumetric weight, whichever is the higher. The calculation for volumetric weight is according to the following formula:- Domestic Destination: Volumetric weight (kg) = length (cm) x width (cm) x height (cm) / 6000; International Destination: Volumetric weight (kg) = length (cm) x width (cm) x height (cm) / 5000 In the event of dispute as to the calculation of the volumetric weight and/or the applicable rate, the customer agrees that the decision made by GDEX shall be final and binding.