Application -Replacement for chandelier candle bulb covers in your hanging chandelier lamp, refresh an old chandelier appearance,replace the white sleeves when the tops looked burned or discolored,great to replace old, cracked and yellowed lamp sleevesHole Size -The Sleeves have a 0.82" inside diameter and 9/10" outside diameter.Make sure your chandelier socket are E12 socket or measure your current candle cover sizes before orderingMaterial -Tough plastic like your bank card.The white plastic is flame retardant ABS material with thickness 4/5 inches5 Sizes on Length Available -2 inches, 3 inches, 3.5 inches, 4 inches, 6 inches are available in variation for your choice.If the sizes are not right for your current candle covers,try to contact us since it's a tough ABS material,the white socket cover is not easy to be trimmed The Candle Sleeves Sets are tough and sturdy one specially made for Candelabra E12 Sockets. Before ordering, make sure your chandelier socket are E12 type or measure your current candle cover sizes. The sleeves' hole size is as below: Outside Diameter: 9/10"(23mm) Inside Diameter:0.82"(21mm) Material: Flame Retardant ABS Thickness 2/25 inches(2mm) Package content: -6pcs 3.5" long white candle covers in a bag