Gorgeous, strong & light weight. Made from recyclable stainless steel which won't impart flavours or taint your drinks. Nice bamboo lid and carry handle, great for the school bag, to take out walking or on the office desk.  Super long lasting & Durable!  Wide mouth for easy refill (fits ice cubes!), the 500ml size is a perfect purse or schoolbag size.
 
This is actually a supreme investment - you'll save money after only 10 uses (Pump water costs upwards of $3!)
 750ml & 500ml size available.