FknMint's "DuraMint" Silicone Sleeves

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