P0
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Description
A short strap used to hold your flask everywhere you go.
Made from durable silicone
Fits the 25 oz. bottle
Choose from 23 available colors.
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1. Print our magnification chart
When printing, make sure to set to 'print to size' and not 'scaled to fit paper' for accuracy!
Click here to download the chart2. Take the test
Hold the printed chart 14 inches from your face. Start reading from top to bottom. Read until you can clearly read a full line.
3. Get your result
When you can clearly read a full line, look at the associated strength for that line and that is your strength!
