Quantity: 100pcs/pack 
Color: Multicolour
Forces: 2.5oz / 3.5oz / 4.5oz / 6.5oz
           
sizes: 1/8"   3.16mm
         3/16"  4.7mm
         1/4"   6.35mm
         5/16"  7.9mm

Features:
Excellent for ortho patients
Very good elastic bands and strong too
Good quality and cheap rubber bands

Elastics outperform all others by a wide margin.
Can close your teeth gap without the cost of braces.
To be used on adult teeth only.