1 - Disposable Baby Gas relief hollow tube that inserts into the baby’s bottom to instantly release gas. A great alternative to gas relief drops. <br> 2 - The rounded tip will not cause any discomfort when inserted.<br> 3 - Medical grade soft and flexible silicone is free of BPA and latex to ensure the gas relief tube doesn’t irritate allergies to your babies.<br> 4 - 20 PCS gas relief passer for babies hollow tubes to provide instant relief for your gassy baby. <br>