Small:

Overall- L: 24” x W: 8.5” x H: 4.25”

Internal- L: 22” x W: 7" x H: 4"

Weight: 18lb

Medium:

Overall- L: 30.5” x W: 9.75” x H: 4.25”

Internal- L: 29" x W: 7” x H: 3.5”

Weight: 33lb

Large:

Overall- L: 36" x W: 10 1/4" x H: 4 1/2"

Internal- L: 34” x W: 8 1/2 x H: 4"

Weight: 38lb