Amazon.com : Sunny Health & Fitness Plyo Box Jump Platform with Adjustable Heights 20"/24"/28" and Shock Absorbing Foam Cover, 3-in-1 Plyometric Jump Box - No. 072 , Black : Sports & Outdoors
Amazon.com : Yes4All 3 in 1 Foam Plyo Box, Plyometric Box Platform for Crossfit, Jump Training, MMA & Conditioning (Standard - 30" x 24" x 20" - 16Lb) : Sports & Outdoors
Amazon.com : YESUNEED 3 in 1 Foam Plyometric Box Jumping Box for Training, 20” 24” 30” Non-Slip Plyometric Jump Box for Jumping Trainers, Box-Squats and Steps-up : Sports & Outdoors
Amazon.com : Synergee 3 in 1 Wood Plyometric Box for Jump Training and Conditioning. Wooden Plyo Box All in One Jump Plyo Box Trainer. Size - 16/14/12 : Sports & Outdoors