Go for the plastics,tin & glass is weighty.Save,Recycle all- any plastic Botts & containers.Esp good is Juice Poppa Blue tops 6 packs which are non drip..Put in- face lotions,Sauces,Homemade cordials,Body lotions,Salad dressings,Car needs,Sunscreens,anything.You don't need huge amounts of some items,esp when backpacking,& helps vehicle be lighter.