Ladybug Floatation Trainers It has floatation sections that fit securely around kids' arms and chest, allowing a free range of motion while keeping them above water. Waist straps adjust, 21" to 31" For ages 3 to 5 - Fits securely around their arms and chest. Arm floats, 6-1/2" x 4-1/4", each. Chest float, 18" x 5-1/2"