Sign up for
Participate with your entry in one of our professional or student awards.Sign up for an award
You are using an outdated browser. Please upgrade your browser to improve your experience.
Use condoms in low light, people can not tell positive and negative, while it affect sexual fun.
Identify condoms solution is the sudden enthusiasm for the inconvenience. When in the low light, using the double-layer structure,positive will be noctilucent, negative will be without light. When in the well-lit,positive will be green,negative will be red.Let people easyly and quickly identify the correct use of the product.