All of the following must be true:
Flat or low-profile construction
Approx. 36" × 24" or smaller
No thick bolsters or raised edges
Thin padding, batting, or foam sheet
No memory foam or multi-layer inserts
Flexible enough to tumble freely in washer and dryer
May include light water-resistant backing
No heavy rubberized or rigid waterproof liners
All of the following must be true:
Flat or low-profile construction
Approx. 36" × 24" or smaller
No thick bolsters or raised edges
Thin padding, batting, or foam sheet
No memory foam or multi-layer inserts
Flexible enough to tumble freely in washer and dryer
May include light water-resistant backing
No heavy rubberized or rigid waterproof liners