- Compact mini design: smaller than standard valve adapters, well made and easy to carry or install; the design is more compact with a refined appearance. - Sturdy PVC construction: made from durable PVC material that resists damage and deformation. - Rubber rings included: kit contains 2 rubber rings of different thicknesses, but the same diameter; installation and disassembly are easy; choose the ring that best fits your valve. - Easy connection and wide compatibility: mainly used for connecting the air hose and valve of the inflatable pump; suitable for all types of 6-segment and 8-segment valve inflatable boats or kayaks; a useful accessory. - Use scenarios and service: ideal for inflating boats or kayaks with a pump on home or travel days; great as a spare adapter kit for trips; if you have questions, we strive to provide quality products and good service to every customer—please contact us for solutions.