Precision leak-proof design, upside down, no bumps on the outside.4.
5. * Material: PET material, BPA free* Size: S: 550ml; L: 1500ml* Feature:1.* Imported Large capacity, meet the needs of sports water, easy to carry. Water sports dumbbells, water dumbbells are creative and practical, the weight is adjustable, and the water volume is controllable, depending on your needs.