The Hollister Vented Urinary Leg Bag Combination Pack, Large 30 oz, Contains 1 vented leg bag, 1 extension tubing (18") with vacuum relief valve, and 1 pair of fabric leg bag straps (23"). Urinary leg bag combination pack safely and easily conducts urine through its drain valve. Easy to open, closes securely even with limited dexterity. Protects skin from pressure points by placing leg strap connectors and drain valve away from direct contact with leg. Pleated sides increases the volume but not the length. Soft, durable vinyl. Quality materials result in soft, comfortable, durable bags. Pleated sides increase the volume but not the length. Protects skin from pressure points by placing leg strap connectors and drain valve away from direct contact with leg. Safely and easily conducts urine through its drain valve; easy to open, closes securely even with limited dexterity. The leg bag has integral connector buttons that are positioned in such a way as to not touch the skin.