cross-border outdoor leisure camping camping tent multi-functional sand filling water counterweight bag windproof fixed sandbag water bag

black (upgraded velcro fastener)(黑色（升级款粘扣）) blue (upgraded velcro fastener)(蓝色（升级款粘扣）) green (upgraded velcro fastener)(绿色（升级款粘扣）) gray (upgraded velcro fastener)(灰色（升级款粘扣）) black (basic style velcro fastener)(黑色（基础款粘扣）) blue (basic style velcro fastener)(蓝色（基础款粘扣）) green (basic style velcro fastener)(绿色（基础款粘扣）) gray (basic style velcro fastener)(灰色（基础款粘扣）)

7 liters: 18 * 28cm(7升：18*28cm) 10 liters: 18 * 40cm(10升：18*40cm) 10 liters: 20 * 30cm(10升：20*30cm) 15 liters: 24 * 34cm(15升：24*34cm) 20 liters: 24 * 45cm(20升：24*45cm)