Get the twin size Premium Hypoallergenic Waterproof Fitted Mattress Cover from Amazon for $14.99! (reg. $19.99). Here are some features:

  • Fits twin size mattress perfectly with dimensions 39 inches by 75 inches by 17 inches featuring professionally turned hems and deep fitted pockets
  • Blend of cotton terry surface preserve the soft cozy, noiseless and breathable feel of your mattress
  • Waterproof top and high quality seam construction stops water and urine from passing through; preserves your mattress against dust mites and bacteria
  • Mattress protector with fitted style all round elastic has airflow technology that allows air to circulate through the protector but repels liquids
  • Machine wash cold tumble dry low; do not iron; do not bleach; do not use fabric softener