local CanNotDelete = {"Investor", "First Class", "Business", "Economy", "Passport", "Suitcase"}
local DeleteItems = game.ReplicatedStorage.BinSystem:FindFirstChild("Bins")


DeleteItems.OnServerEvent:Connect(function(player)
	for i, v in ipairs(player.Backpack:GetDescendants()) do
			for i, x in pairs (DeleteItems ) do
				if v ~= x then
					v:Destroy()
				end
			end
	end
end)

Try this.