Wholesale is available https://www.etsy.com/listing/968875487/wholesalepress-on-nails121620-sets

You can follow the instructions on how to  measure the size of your nails (See photo) or purchase one of my sizing kits https://www.etsy.com/listing/870850438/find-your-perfect-fit-with-my-sizing

Wear time depends on how well you prep your natural nails during application process, your choice of adhesive, & how rough you are with your hands. 
With proper application nails will last 1-2 weeks. (Instructions included in order)

Due to the handmade nature of my products, I am not held accountable if the wrong size is ordered.
I have sizing kits available to help you choose the perfect size.
**If the size is too big, you can file gently around the cuticle area until the correct fit is achieved**

Yes, soak nails off using soapy water for 5-10mins. Dry & place in MillionailDrip packaging for later use.

Please follow all prep instructions that is included with your order. This is important to ensure long wear.

Read shipping & return policy, located under item description for arrival dates.

Once our package has been picked up by USPS and the tracking number associated to the order has been updated, MillionailDrip hands over any and all accountability for shipping, transit and delivery. MillionailDrip assumes no responsibility for lost or missing packages and are not required to issue refunds or replacements on these orders.

If your order was marked "Delivered" by USPS and it's missing; check with your neighbors incase the package was delivered to the wrong address by mistake or contact your local post office.

you may also file a claim with USPS at 

http://www.usps.com/help/claims.htm