data class HandlingUnit(val id: String = "", val weight: Float? = null, val type: String? = null, val height: Float? = null, val length: Float? = null, val width: Float? = null, val freightClass: String? = null, val description: String? = null, val quantity: Int? = 1, val imageUrl: String? = null)
Represents a handling unit (pallet/package) with dimensions