The adapter is made of high quality plastic, which is sturdy and durable.<br> You can pump various objects by using this multifunctional nozzle heads, practical and easy to install.<br> The nozzle heads is suitable for all kinds of air pump, convenient to use.<br> Item Name: Nozzle Heads<br> Material: Plastic<br> Features: Durable, Easy to Use, Practical<br> Size Details:<br> Large Mouth: 4.5cm x 2cm/1.77" x 0.79" (Approx.)<br> Medium Mouth: 5cm x 1.5cm/1.97" x 0.59" (Approx.)<br> Small Mouth: 7.5cm x 0.6cm/2.95" x 0.24" (Approx.)<br> Notes:<br> Due to the light and screen setting difference, the items color may be slightly different from the pictures.<br> Please allow slight dimension difference due to different manual measurement.<br> Package Includes:<br> 1 Set of Nozzle Heads<br> (Air Pump Not Included)<br> Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Sold by-Minnanxin