Felt insoles (1) size:according to customer's request (2) use:wool felt insoles can be used for boots and shoes to keep feet warm and dry.It is the ideal choice for winter activities.The wool felt absorbs moisture to keep your feet dry. (3) Character:It has the advantage of cold proof,cold insulation, heat-insulated,moisture-proof,etc.It is also wear-resisting, dustproof, sound-insulated,seal,oil-filtering,oil-absorbing,heat-retaining,moisture-absorbing hygroscopic. (4) Payment:T/T (5) Packing: inner packing in poly bag,outer packing in PP woven bag.