for our records and to whom it may concern, the Dealextreme offering
Glow-in-the-Dark Water-tight Silicone O-Ring Seal (20mm 20-Pack)
Price: $2.50 
SKU:3449
is okay for decorating the Xeno E03 but the glow effect in the dark is poor. very poor.
nonetheless i like the product because i primarily bought them for the purpose of beautifying the exterior of my red Xeno E03.
i've used up 2 so far. not sure what i am gonna do with 18 green rings tss.