Main body material: nylon Applicable people: Adult Applicable sports: football, basketball, tennis, badminton, table tennis, volleyball, fitness equipment, bowling, riding, roller skating, martial arts Number of boxes: 200 Applicable scenarios: Running sports, fitness equipment, fitness and bodybuilding, sports trends, cycling sports, ice and snow sports, extreme challenges, hiking and camping, martial arts self-defense, sports protective gear accessories, dance sports, foot basket volleyball, table tennis, tennis, Other ball sports specifications Green S, Green M, Green L, Green XL, Black S, Black M, Black L, Black XL, Blue S, Blue M, Blue L, Blue XL (mm) Material: Nylon Gross weight: 100 (g) Whether liquid: N Whether charged: N