Fit Cap Diameter: 58-61mm / 2.28-2.4 inch; Overall Size: 98mm x 50mm / 3.86inch x 1.97inch (L*W); Packing List: 400Pcs x Perforated Shrink Bands Advantage: The perforated shrink band is made of durable PVC material with the performance of good sealing, waterproof, moisture-proof and dustproof. Instruction: Fasten the heat shrink band to your bottle first; Then use a hot air blower to heat a few seconds to shrink and seal it. Application: Heat shrink wrap bands fit bottles, jars, cans and tins of different sizes. The shrink sleeve gives your products a professional look while providing a tamper-proof seal. Note: Please make sure the right size you need before ordering. Manual measurement allows 1mm-2mm of error.