Base protector for Safe Place Bed

This is a machine washable and waterproof mattress protector which fits the base of the Safe Place Bed model 100. 
 
Features:
Thick, absorbent material with a waterproof backing.
Washable up to two hundred times.
OEKO-TEX® STANDARD 100 textile. This is a label for textiles which have been tested for harmful substances. It sets the benchmark for textile safety, from yarn to finished product. Every item bearing the STANDARD 100 label is certified as having passed safety tests for the presence of harmful substances. This gives peace of mind when some of our kids suck or chew material.
Dimples on the back help to keep the mattress protector in place.
Customers' choice of patterns! I put the patterns to a vote and you chose space and rainbows. We also have a blain blue for children that prefer a calmer environment.
 
Care:
Washable up to 95C. Air or tumble dry.
 
Dimensions:
110cm wide by 190cm long
43 inches wide by 75 inches long.
 
Weight:
1.1kg
 
Because I am picky:
I take base protectors out of every delivery of stock and pour a cup of water on them, wait two minutes and examine the back of each protector to confirm it's waterproof.
 
I then wash them at 95C and tumble dry them on a cotton (hot) setting. I check for shrinkage and fading. In reality you probably won't wash/ dry as hot as this but it's nice to know that you can.
 
Finally, I pour a cup of water on each of the washed base protectors to confirm they are waterproof after washing.
 
Why don't we have velcro or poppers on the base protectors to keep them in place?:
I gave a lot of thought to putting fasteners on the mattress protector that would absolutely keep it in place. I decided against this because:
1. I think velcro would get gunged up very quickly and stop working, and 2, I think even the best fitted poppers in the world could potentially detach and cause a choking hazard, and that's not a risk we're willing to accept.