Looking for some more room? Zip into a Wedgie Bag Expander! Available in a variety of lengths and zipper sizes, to perfectly match your sleepingbag. Adds 7" of shoulder girth to your sleeping bag. Features: - 70" / 178cm YKK #8: 5oz/142g - 70" / 178cm YKK #5: 5oz/142g - 60" / 152cm YKK #8: 4.5oz/128g - 60" / 152cm YKK #5: 4.5oz/128g - Never feel claustrophobic or cramped in your bag again - Adds 7"/18cm of shoulder girth to your bag - Match the length and coil size of your bag's zipper to find the perfect fit for your bag