100% brand new material non-toxic biodegradable good elasticity be suitable for 5 gallon plastic bottle caps

PE FOAM GASKET FOR 5 GALLON PLASTIC WATER BOTTLE CAPS

Features:

Product Name: PE Foam Liner for 5 gallon plastic caps 100% brand new materialsNon-toxic and biodegradableGood elasticity and sealableWaterproof foam linnerCan customize dimensions (outer diameter,inner diameter,thickness)