FknMint's "DuraMint" Silicone Sleeves Size:23mm (Discount automatically applied at checkout)

(Discount automatically applied at checkout)

Sturdy construction that's built to last

If you have any concerns

This extender is to be used with an attachment device

Premium durable silicone sleeves to be used in combination with a vacuum cup

FknMint's "DuraMint" Silicone Sleeves Size:23mm (Discount automatically applied at checkout)Get 20% off when you order 3 or more! (Discount automatically applied at checkout) Premium durable silicone sleeves to be used in combination with a vacuum cup. Super durable, super elastic form fitting sleeves to create a perfect air tight seal while extending. SIZING GUIDE: Based on flaccid, stretched girth (circumference): less than 3. 49" inches: 21mm sleeve from 3. 5" to 3. 74" inches: 23mm sleeve greater than 3. 75" inches: 25mm sleeve