▁the ▁P SA ▁ad hes ive ▁stays ▁with ▁the ▁backing ▁and ▁is ▁easily ▁removed . ▁P aper ▁back ings ▁without ▁wet ▁strength ▁may ▁release ▁their ▁ad hes ives , ▁potentially ▁cont amin ating ▁rec y cling ▁efforts . ▁Label s ▁can ▁aid ▁in ▁rec y cling ▁and ▁reuse ▁by ▁communic ating ▁the ▁material ▁content ▁of ▁the ▁item , ▁instructions ▁for ▁dis assembly ▁or ▁rec y cling ▁directions . ▁An ▁e co - label ▁is ▁used ▁on ▁consumer ▁products ▁( including ▁food s ) ▁to ▁identify ▁products ▁that ▁may ▁be ▁less ▁dam aging ▁to ▁the ▁environment ▁and / or ▁humans ▁than ▁other ▁related ▁products , ▁such ▁as ▁sust ain able ▁sea fo od ▁encourag ed ▁by ▁Friend ▁of ▁the ▁Sea . ▁ ▁Other ▁aspects ▁ ▁Color ▁In k ▁and ▁base ▁stock ▁color ▁choices ▁commonly ▁conform ▁to ▁the ▁P ant one ▁Match ing ▁System ▁( P MS ) ▁colors . ▁The ▁P ant one ▁system ▁is ▁very ▁dominant ▁in ▁the ▁label ▁printing ▁industry . ▁Additionally ▁special ty ▁in ks ▁such ▁as ▁met all ic , ▁U V ▁in k , ▁magnetic ▁in k , ▁and ▁more ▁are ▁available . ▁In k ▁is ▁usually ▁transparent ▁however ▁it ▁can ▁be ▁made ▁op aque . ▁It ▁has ▁been ▁known ▁for ▁certain ▁companies ▁to ▁pat ent ▁" the ir ▁own " ▁color . ▁Digital ▁labels ▁use ▁process ▁colors ▁to ▁rep licate ▁P ant one ▁solid ▁colors . ▁ ▁Collect ability ▁Collect ing ▁labels ▁is ▁a ▁world wide ▁phenomen on , ▁from ▁labels ▁used ▁on ▁match box es ▁and ▁food