0-3 months |
7 to 11 lbs. |
8 in. wide by 14 in. long |
3-6 months |
11 to 14 lbs. |
8 1/2 in. wide by 15 in. long |
6-9 months |
14 to 17 lbs. |
9 in. wide by 16 in. long |
9-12 months |
17 to 20 lbs. |
9 in. wide by 16 1/4 in. long |
12-18 months |
21 to 24 lbs. |
9 1/2 in. wide by 18 in. long |
18-24 months |
25 to 27 lbs. |
10 1/2 in. wide by 18 7/8 in. long |