Lock-It 36 in Green Adjustable Bungee Cord by Keeper at Fleet Farm
48" Adjust-A-Strap Bungee 4 Pk- The Perfect Bungee® USA
SmartStraps 3-1/3-ft Adjustable Bungee Cord in the Bungee Cords department at Lowes.com
Mella Link Latch Multi-Configuration Adjustable Bungee Cords with Hooks - Flat Silicone Bungee Straps with Hooks - Expandable 8"-36" Bungee Tie Down Fastening System (1-Pack) - Amazon.com
Bungee cords – elastic tensioners with overmoulded hooks - Joubert Group