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Bloccs® Protectors are invaluable whenever and wherever you need waterproof cast or dressing protection - whether pool, beach or bath. Finding the right sized cast protector is a snap using our guides provided below.

Bloccs are easily stretched over the cast or dressing to make a watertight seal. The correct circumference is vital for a watertight seal and the length can be longer than measured. To achieve the best fit, consider both adult and child sizes. Please see the sizing charts for guidance.

Arm Protectors

Adult and Child Arm Protectors Sizes

Sizing Charts for Adult and Child Arm Protectors

Finding the Right Size Arm Cover

Step 1: Do you need a full or a short cover?
If your cast ends below the elbow a short cover is fine. If you cast ends above the elbow you will need a full cover.
Step 2: Measure for the right cover length.
Measure from the fingertip to just above the cast or dressing.
Step 3: Measure for a watertight seal.
Measure the distance around the arm just above the cast or dressing.
Step 4: Check the Size Chart.
From the Arm size chart, choose the Bloccs cover which will fully fit over the cast or dressing.
Note: Any age ranges in the chart are a general guideline. Always measure for a watertight fit.
 

Leg Covers

Adult and Child Leg Protectors Sizes

Sizing Charts for Adult and Child Leg Protectors

Finding the Right Size Leg Cover

Step 1: Do you need a full or a short cover?
If your cast ends below the knee a short cover is fine. If you cast ends above the knee you will need a full cover.
Step 2: Measure for the right cover length.
Measure from the heel to just above the cast or dressing.
Step 3: Measure for a watertight seal.
Measure the distance around the leg just above the cast or dressing.
Step 4: Check the Size Chart.
From the Leg size chart, choose the Bloccs cover which will fully fit over the cast or dressing.
Note: Any age ranges in the chart are a general guideline. Always measure for a watertight fit.
 

Elbow Protectors

Adult and Child Elbow Protectors

Sizing Charts for Adult and Child Elbow Protectors

Finding the Right Elbow Size Cover

Step 1: Measure for the right cover length.
Measure the length of the dressing please allow extra for the seal either end.
Step 2: Measure for a watertight seal.
Measure the distance around the arm above and below the cast or dressing.
Step 3: Check the Size Chart.
From the Elbow size chart, choose the Bloccs cover which will fully fit over the cast or dressing.
Note: Any age ranges in the chart are a general guideline. Always measure for a watertight fit.
The larger size elbow protectors are shorter in length and have a larger seal size around the arm. The smaller size elbow protectors are longer in length and have smaller seal size around the arm.
 

Knee Protectors

Adult Knee Protectors

Sizing Charts for Adult Knee Protectors

Finding the Right Knee Size Cover

Step 1: Measure for the right cover length.
Measure the length of the dressing please allow extra for the seal either end.
Step 2: Measure for a watertight seal.
Measure the distance around the leg above and below the cast or dressing.
Step 3: Check the Size Chart.
From the Knee size chart, choose the Bloccs cover which will fully fit over the cast or dressing.
Note: Always measure for a watertight fit.
The larger size knee protectors are shorter in length and have a larger seal size around the leg. The smaller size elbow or knee protectors are longer in length and have smaller seal size around the leg.
 

How do I put on the Bloccs waterproof protector?

Please follow the Care and Usage instructions included with each cover. You can also watch our video and visit our FAQs.

 
bloccs leg cover instructions
 
bloccs knee cover instructions
 

How do I put on the Bloccs waterproof protector?

Bloccs® Cast and Dressing Protectors are easy to use and wear. Instructions are included with each cover and our video shows how to put on the Bloccs Cast Cover correctly so you can be confident that you are using the product properly.