Qty. 1 2 3 4 5 6 7 8 9 10 Add to Cart Easy Valve XL Replacement Set - is currently on backorder. You may still purchase now though and we'll ship as soon as more become available. Overview Set of 6 ready to use EASY VALVE XL Balloons for the application with the VOLCANO. Whats in the box? 6 pcs. EASY VALVE XL Balloon with Mouthpiece (length approx. 90 cm)