Lap belt size chart. Price and other details may vary based on product size and color. The FlexiFix arms have several fixing holes to choose from, depending on the length needed. Lap seat belts are often found in old-model cars, but have also once been used in the rear or the rear middle seats of newer models. Always adjust your mobility seat belt before operating your scooter. com: Lap Seat BeltCheck each product page for other buying options. Then: See which belt length that correspond with your waist size. Size chart is a general guide and may include sizes that are unavailable for this item. A properly fitting seat belt guarantees that you remain securely in your seat during turbulence or any unexpected movements. Amazon. Discover sizes for adults, teens and kids along with one-size-fits-all adjustable belts. hurt cld 4m9 bnyy pz t7gtg7ak tnui32h 0ls9i aejwy rhgbe6